/* ====================================================================
   CESIPC fanless.css — 标准型工控机系列样式
   覆盖：fanless.html / epc-10.html / epc-30.html
==================================================================== */

/* =============================================================
   Hero — fanless 总览页：主蓝 + 工业感纹理
============================================================= */
.page-hero--fanless {
  background:
    linear-gradient(135deg, rgba(40,80,125,.96) 0%, rgba(18,50,85,.97) 100%),
    radial-gradient(ellipse at 85% 25%, rgba(155,195,230,.12) 0%, transparent 50%);
  padding: var(--sp-16) 0;
  position: relative;
}
.page-hero--fanless::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 49px, rgba(255,255,255,.05) 49px 50px),
    repeating-linear-gradient(90deg, transparent 0 49px, rgba(255,255,255,.05) 49px 50px);
  pointer-events: none;
}
.page-hero--fanless .page-hero__grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: var(--sp-12);
  align-items: center;
}
.page-hero--fanless .page-hero__main { max-width: none; }
.page-hero--fanless .page-hero__title { font-size: 52px; }
.page-hero--fanless .page-hero__sub { font-size: var(--fs-xl); max-width: none; }
.page-hero--fanless .page-hero__sub strong { color: #c7e0f0; font-weight: 700; }
.page-hero--fanless .hero-stat__num small,
.page-hero--fanless .hero-platforms li span,
.page-hero--fanless .page-hero__title span,
.page-hero--fanless .page-hero__eyebrow,
.page-hero--fanless .page-hero__breadcrumb li:last-child { color: #c7e0f0; }

@media (max-width: 1024px) {
  .page-hero--fanless .page-hero__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .page-hero--fanless .page-hero__title { font-size: 38px; }
}
@media (max-width: 640px) {
  .page-hero--fanless { padding: var(--sp-10) 0; }
  .page-hero--fanless .page-hero__title { font-size: 28px; }
}
@media (min-width: 1600px) {
  .page-hero--fanless { padding: 110px 0 100px; }
  .page-hero--fanless .page-hero__title { font-size: 64px; }
}

/* =============================================================
   六大处理器平台矩阵
============================================================= */
.fl-platforms { padding: var(--sp-14) 0; }
.fl-cpu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.fl-cpu {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--sp-5);
  position: relative;
  transition: transform var(--t), border-color var(--t), box-shadow var(--t);
}
.fl-cpu::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.fl-cpu--intel::before { background: #0071c5; }
.fl-cpu--cn::before { background: #d92228; }
.fl-cpu:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-primary);
}
.fl-cpu__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}
.fl-cpu h3 {
  font-size: 20px;
  color: var(--c-primary);
  margin-bottom: var(--sp-2);
  font-weight: 800;
}
.fl-cpu p {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.7;
}

@media (max-width: 1024px) { .fl-cpu-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .fl-cpu-grid { grid-template-columns: 1fr; } }

/* =============================================================
   两大系列对比卡（fanless 总览页）
============================================================= */
.fl-series { padding: var(--sp-14) 0; }
.fl-series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  margin-bottom: var(--sp-10);
}
.fl-series-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.fl-series-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  z-index: 2;
}
.fl-series-card--10::before { background: linear-gradient(90deg, #4a8cc5 0%, #3375af 100%); }
.fl-series-card--30::before { background: linear-gradient(90deg, #3375af 0%, #1e4a72 100%); }
.fl-series-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-primary);
}
.fl-series-card__media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-6);
  border-bottom: 1px solid var(--c-border);
}
.fl-series-card__media img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.10));
}
.fl-series-card__placeholder {
  position: absolute;
  font-family: 'Inter', sans-serif;
  font-size: 30px;
  font-weight: 800;
  color: rgba(51,117,175,.22);
  letter-spacing: 0.08em;
  display: none;
}
.fl-series-card__media--placeholder .fl-series-card__placeholder { display: block; }

.fl-series-card__size-badge {
  position: absolute;
  bottom: var(--sp-3);
  right: var(--sp-3);
  background: rgba(30, 74, 114, 0.92);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: var(--fs-sm);
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
  z-index: 1;
}

.fl-series-card__body {
  padding: var(--sp-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.fl-series-card__eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}
.fl-series-card__body h3 {
  font-size: 28px;
  color: var(--c-primary);
  font-weight: 800;
  margin-bottom: var(--sp-2);
}
.fl-series-card__lead {
  font-size: var(--fs-md);
  color: var(--c-text-2);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px dashed var(--c-border);
}
.fl-series-card__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-5);
  flex: 1;
}
.fl-series-card__specs li {
  display: flex;
  font-size: var(--fs-sm);
  padding: 8px 0;
  color: var(--c-text);
  line-height: 1.5;
  border-bottom: 1px solid var(--c-border);
}
.fl-series-card__specs li:last-child { border-bottom: none; }
.fl-series-card__specs li span {
  flex: 0 0 80px;
  font-size: 11px;
  color: var(--c-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
  padding-top: 2px;
}
.fl-series-card__specs li strong {
  color: var(--c-accent);
  font-weight: 700;
}
.fl-series-card__cta {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

@media (max-width: 1024px) { .fl-series-grid { grid-template-columns: 1fr; } }

/* 快速对比表 */
.fl-compare-table {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  margin-top: var(--sp-6);
}
.fl-compare-table__title {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  text-align: center;
  margin-bottom: var(--sp-4);
}
.fl-compare-table table {
  width: 100%;
  border-collapse: collapse;
}
.fl-compare-table th,
.fl-compare-table td {
  padding: 10px 14px;
  text-align: left;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--c-border);
}
.fl-compare-table thead th {
  background: var(--c-bg-alt);
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: 0.04em;
}
.fl-compare-table tbody td:first-child {
  background: rgba(51,117,175,0.04);
  font-weight: 600;
  color: var(--c-text-2);
  width: 20%;
}
.fl-compare-table tbody td strong { color: var(--c-accent); }

@media (max-width: 640px) {
  .fl-compare-table { padding: var(--sp-3); overflow-x: auto; }
  .fl-compare-table table { min-width: 540px; }
}

/* =============================================================
   共享特性区（复用 .pillar-grid） + 应用场景图标
============================================================= */
.fl-features { padding: var(--sp-14) 0; }
.fl-applications { padding: var(--sp-14) 0; }
.app-scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.app-scene {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--sp-5);
  text-align: center;
  transition: transform var(--t-fast), border-color var(--t-fast);
}
.app-scene:hover {
  transform: translateY(-3px);
  border-color: var(--c-primary);
  box-shadow: var(--shadow-sm);
}
.app-scene__icon {
  font-size: 40px;
  line-height: 1;
  margin-bottom: var(--sp-3);
}
.app-scene h3 {
  font-size: var(--fs-h4);
  color: var(--c-primary);
  margin-bottom: var(--sp-2);
}
.app-scene p {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.6;
}

@media (max-width: 1024px) { .app-scene-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .app-scene-grid { grid-template-columns: 1fr; } }

.fl-related { padding: var(--sp-12) 0 var(--sp-14); }

/* =============================================================
   ============== 详情页（EPC-10 / EPC-30） ==============
============================================================= */

/* 产品 Hero（图左信息右） */
.page-hero--product-detail {
  background:
    linear-gradient(135deg, rgba(40,80,125,.96) 0%, rgba(18,50,85,.97) 100%),
    radial-gradient(ellipse at 85% 25%, rgba(155,195,230,.12) 0%, transparent 50%);
  color: #fff;
  padding: var(--sp-16) 0;
  position: relative;
}
.page-hero--product-detail::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 49px, rgba(255,255,255,.04) 49px 50px),
    repeating-linear-gradient(90deg, transparent 0 49px, rgba(255,255,255,.04) 49px 50px);
  pointer-events: none;
}
.product-hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.35fr);
  gap: var(--sp-10);
  align-items: center;
}
.product-hero__media {
  background: transparent;
  padding: 0;
  aspect-ratio: 1 / 1;
  max-width: 500px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
}
@media (min-width: 1600px) {
  .product-hero__media { max-width: 560px; }
}
@media (min-width: 1920px) {
  .product-hero__media { max-width: 600px; }
}
.product-hero__media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 12px;
  filter: drop-shadow(0 16px 40px rgba(0,0,0,0.30));
}
.product-hero__media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 12px 28px rgba(0,0,0,0.35));
}
.product-hero__info { color: #fff; }
.product-hero__title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--sp-4);
  color: #fff;
}
.product-hero__title span { color: #c7e0f0; }
.product-hero__lead {
  font-size: var(--fs-xl);
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
  margin-bottom: var(--sp-5);
}
.product-hero__lead strong { color: #c7e0f0; font-weight: 700; }
.product-hero__highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255,255,255,0.18);
}
.ph-highlight {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.ph-highlight__k {
  font-family: 'Inter', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.02em;
}
.ph-highlight__l {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.product-hero__actions {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .product-hero { grid-template-columns: 1fr; gap: var(--sp-6); }
  .product-hero__title { font-size: 32px; }
  .product-hero__highlights { grid-template-columns: repeat(2, 1fr); }
  .product-hero__media { max-width: 360px; margin: 0 auto; }
}
@media (max-width: 640px) {
  .product-hero__title { font-size: 24px; }
}
@media (min-width: 1600px) {
  .product-hero__title { font-size: 56px; }
  .product-hero__lead { font-size: 20px; }
  .ph-highlight__k { font-size: 36px; }
}

/* =============================================================
   子型号矩阵（6 张卡片）
============================================================= */
.variant-section { padding: var(--sp-14) 0; }
.variant-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.variant-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  position: relative;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  display: flex;
  flex-direction: column;
}
.variant-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-primary);
}
.variant-card__badge {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  background: var(--c-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 99px;
  letter-spacing: 0.06em;
  z-index: 1;
}
.variant-card--flagship .variant-card__badge { background: var(--c-accent); }
.variant-card__media {
  aspect-ratio: 1 / 1;
  background: #ffffff;
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  margin: calc(-1 * var(--sp-5)) calc(-1 * var(--sp-5)) var(--sp-4);
}
.variant-card__media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.10));
}
.variant-card__model {
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  color: var(--c-primary);
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.variant-card__cpu {
  font-size: var(--fs-sm);
  color: var(--c-accent);
  font-weight: 700;
  margin-bottom: var(--sp-2);
  line-height: 1.5;
}
.variant-card__pos {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.7;
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-3);
  border-bottom: 1px dashed var(--c-border);
}
.variant-card__feats {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--sp-4);
  flex: 1;
}
.variant-card__feats li {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  padding: 4px 0 4px 16px;
  position: relative;
}
.variant-card__feats li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--c-accent);
}
.variant-card__link {
  align-self: flex-start;
  font-size: var(--fs-sm);
  color: var(--c-accent);
  font-weight: 700;
  text-decoration: none;
  margin-top: auto;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-border);
  width: 100%;
  transition: letter-spacing var(--t-fast);
}
.variant-card:hover .variant-card__link { letter-spacing: 0.04em; }

@media (max-width: 1280px) { .variant-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .variant-grid { grid-template-columns: 1fr; } }

/* =============================================================
   规格表（完整 spec table）
============================================================= */
.spec-section { padding: var(--sp-14) 0; }
.spec-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 1100px;
  margin: 0 auto;
}
.spec-table-x {
  width: 100%;
  border-collapse: collapse;
}
.spec-table-x tr { border-bottom: 1px solid var(--c-border); }
.spec-table-x tr:last-child { border-bottom: none; }
.spec-table-x th, .spec-table-x td {
  padding: 12px 18px;
  font-size: var(--fs-sm);
  text-align: left;
  line-height: 1.6;
  vertical-align: top;
}
.spec-table-x > tbody > tr > th:first-child {
  background: var(--c-primary);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--fs-xs);
  width: 110px;
  vertical-align: middle;
  border-right: 1px solid var(--c-border);
}
.spec-table-x > tbody > tr > th:nth-child(2) {
  background: var(--c-bg-alt);
  font-weight: 600;
  color: var(--c-text-2);
  width: 200px;
  border-right: 1px solid var(--c-border);
}
.spec-table-x > tbody > tr > td {
  color: var(--c-text);
}
.spec-table-x > tbody > tr > td strong {
  color: var(--c-accent);
  font-weight: 700;
}

@media (max-width: 768px) {
  .spec-card { overflow-x: auto; }
  .spec-table-x { min-width: 560px; }
  .spec-table-x > tbody > tr > th:first-child { width: 80px; }
  .spec-table-x > tbody > tr > th:nth-child(2) { width: 140px; }
}

/* =============================================================
   I/O 与尺寸图
============================================================= */
.io-section { padding: var(--sp-14) 0; }
.io-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}
.io-pane {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  text-align: center;
}
.io-pane--full { grid-column: 1 / -1; }
.io-pane__title {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: var(--sp-4);
}
.io-pane img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.08));
}

@media (max-width: 768px) { .io-grid { grid-template-columns: 1fr; } }

/* =============================================================
   应用场景图集（产品页）
============================================================= */
.app-photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.app-photo-grid figure {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.app-photo-grid figure:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.app-photo-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.app-photo-grid figcaption {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-primary);
  text-align: center;
}

@media (max-width: 1024px) { .app-photo-grid { grid-template-columns: repeat(2, 1fr); } }

/* =============================================================
   ============ 产品落地页（EPC-102A 等 8 个）追加样式 ============
============================================================= */

/* Hero CPU 强调块 */
.product-hero__cpu {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
  border-left: 4px solid #c7e0f0;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  margin-bottom: var(--sp-5);
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.product-hero__cpu-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #c7e0f0;
  white-space: nowrap;
}
.product-hero__cpu-value {
  font-size: var(--fs-md);
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
}

/* 规格表 - 三列规格表横向滚动 */
.spec-table-x .sp-cat {
  background: var(--c-primary) !important;
  color: #fff !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  font-size: var(--fs-xs) !important;
  width: 110px !important;
  vertical-align: middle !important;
  text-align: center !important;
}

/* 尺寸区块 */
.dims-section { padding: var(--sp-14) 0; }
.dims-pane {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}
.dims-pane img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* 应用场景图集 */
.apps-section { padding: var(--sp-14) 0; }
.app-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.app-card {
  margin: 0;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t);
}
.app-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.app-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.app-card figcaption {
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-primary);
  text-align: center;
}

@media (max-width: 1024px) { .app-card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .app-card-grid { grid-template-columns: 1fr; } }

/* 同系列其它型号 */
.related-section { padding: var(--sp-14) 0; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  margin-bottom: var(--sp-6);
}
.related-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none !important;
  color: var(--c-text) !important;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-primary);
}
.related-card__media {
  aspect-ratio: 1 / 1;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  border-bottom: 1px solid var(--c-border);
}
.related-card__media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.related-card__body {
  padding: var(--sp-4);
  text-align: center;
}
.related-card__body h3 {
  font-family: 'Inter', sans-serif;
  font-size: var(--fs-h4);
  color: var(--c-primary);
  font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.related-card__body p {
  font-size: var(--fs-sm);
  color: var(--c-accent);
  font-weight: 700;
}
.related-section__more {
  text-align: center;
  margin-top: var(--sp-5);
}

@media (max-width: 1024px) { .related-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto var(--sp-6); } }



/* =============================================================
   产品 Hero 新排版（克制工业配色：白 + 浅冰蓝 + 红 accent）
============================================================= */
/* 配色规划：
   - 主标题 / 大字：纯白 #ffffff
   - 副标题口号 / sub-line：浅冰蓝 #c7e0f0（柔和、专业感）
   - 关键参数 / 数字：白色（直接强调）
   - eyebrow / 小标签：浅冰蓝 #9bc3e6（含较多蓝调）
   - 描述区竖条：红色 #e60012（呼应品牌 CTA）
   - 描述中 strong 重点：浅冰蓝白 #d6e6f2（不抢戏，仍可识别）
*/
.product-hero__slogan {
  display: block;
  font-size: var(--fs-lg);
  color: #c7e0f0;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.55;
  margin-top: var(--sp-3);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid rgba(255,255,255,0.16);
}
.product-hero__slogan sup { font-size: 60%; vertical-align: super; }

.product-hero__title--inline {
  font-size: 40px;
  line-height: 1.2;
  margin-bottom: var(--sp-4);
  color: #ffffff;
  letter-spacing: -0.01em;
}
.product-hero__title--inline span { color: inherit; }

/* 描述卡片：高对比白卡 + 黑字（深色 hero 上最易读） */
.product-hero__desc {
  font-size: var(--fs-md);
  color: var(--c-text);
  line-height: 1.85;
  margin-bottom: var(--sp-5);
  padding: var(--sp-5) var(--sp-6);
  background: rgba(255,255,255,0.97);
  border-left: 4px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 6px 18px rgba(0,0,0,0.18);
}
.product-hero__desc strong {
  color: var(--c-primary);
  font-weight: 700;
}

@media (min-width: 1600px) {
  .product-hero__title--inline { font-size: 52px; }
  .product-hero__slogan { font-size: var(--fs-xl); }
  .product-hero__desc { font-size: var(--fs-lg); }
}
@media (max-width: 1024px) {
  .product-hero__title--inline { font-size: 28px; }
  .product-hero__slogan { font-size: var(--fs-md); }
  .product-hero__desc { font-size: var(--fs-sm); padding: var(--sp-3) var(--sp-4); }
}

/* =============================================================
   产品落地页：核心亮点 11 卡片（feature-grid）
============================================================= */
.feature-highlights { padding: var(--sp-16) 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.feature-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 32px;
  height: 3px;
  background: var(--c-accent);
  transition: width var(--t);
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--c-primary);
}
.feature-card:hover::before { width: 64px; }
.feature-card__icon {
  width: 44px;
  height: 44px;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-3);
  transition: background var(--t-fast), color var(--t-fast);
}
.feature-card__icon svg { width: 24px; height: 24px; }
.feature-card:hover .feature-card__icon {
  background: var(--c-primary);
  color: #fff;
}
.feature-card h3 {
  font-size: var(--fs-md);
  color: var(--c-primary);
  font-weight: 800;
  margin-bottom: var(--sp-2);
  line-height: 1.3;
}
.feature-card p {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.65;
}
.feature-card p strong { color: var(--c-primary); font-weight: 700; }

@media (max-width: 1280px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1024px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .feature-grid { grid-template-columns: 1fr; } }

/* =============================================================
   产品图集（gallery-grid，3 张等高白底）
============================================================= */
.product-gallery { padding: var(--sp-14) 0; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.gallery-item {
  background: #ffffff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 0;
  display: flex;
  flex-direction: column;
  transition: transform var(--t), box-shadow var(--t);
}
.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;          /* 三张统一 1:1 高度 */
  object-fit: contain;
  background: #ffffff;          /* 纯白底 */
  padding: var(--sp-5);
  display: block;
}
.gallery-item figcaption {
  padding: var(--sp-3) var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--c-primary);
  font-weight: 700;
  text-align: center;
  border-top: 1px solid var(--c-border);
  background: var(--c-bg-alt);
}

@media (max-width: 1024px) { .gallery-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px)  { .gallery-grid { grid-template-columns: 1fr; } }

/* =============================================================
   规格表设计（完全参照 g.cesipc.cn PHP 风格 + 蓝色调）
   - 分组式：每组一个独立 .spec-grp（含 spec-grp-hd 标题 + .spec-tbl 表）
   - spec-grp-hd: 浅蓝灰背景 + 红圆点装饰
   - 表头 th: 主蓝背景白字
   - 第一列 td: 浅蓝底深字加粗
   - 偶数行非首列: 浅蓝条纹 #fafbfe
   - 手机端：紧凑字号 + 横滚兜底
============================================================= */
.spec-section { padding: var(--sp-16) 0; }
.spec-card {
  max-width: 1200px;
  margin: 0 auto;
}

/* 每个规格分组 */
.spec-grp {
  margin-bottom: var(--sp-5);
}
.spec-grp:last-child { margin-bottom: 0; }

/* 分组标题：浅蓝灰背景 + 红圆点 */
.spec-grp-hd {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #eef2fa;
  color: var(--c-bg-deep);
  font-size: 12.5px;
  font-weight: 700;
  padding: 9px 16px;
  border-radius: 6px;
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}
.spec-grp-hd::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  flex-shrink: 0;
}

/* 规格表本身 */
.spec-tbl {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  overflow: hidden;
  font-size: 13px;
  background: #fff;
}
.spec-tbl th {
  background: var(--c-bg-deep);
  color: #fff;
  font-weight: 700;
  padding: 9px 16px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.04em;
}
.spec-tbl th:first-child {
  background: var(--c-primary);
  width: 22%;
  min-width: 110px;
}
.spec-tbl td {
  padding: 9px 16px;
  border-bottom: 1px solid #edf0f8;
  vertical-align: top;
  line-height: 1.6;
  color: var(--c-text);
}
.spec-tbl tr:last-child td { border-bottom: none; }

/* 第一列（参数项目）— 浅蓝底加粗 */
.spec-tbl td:first-child {
  background: #f7f9fc;
  font-weight: 600;
  color: var(--c-bg-deep);
  font-size: 12.5px;
  width: 22%;
  min-width: 110px;
}

/* 偶数行非首列：浅蓝条纹 */
.spec-tbl tr:nth-child(even) td:not(:first-child) {
  background: #fafbfe;
}

/* ==== 手机端响应：≤768px 紧凑 + 单列模式 ==== */
@media (max-width: 768px) {
  .spec-tbl { font-size: 12px; }
  .spec-tbl th,
  .spec-tbl td { padding: 7px 10px; }
  .spec-tbl th:first-child,
  .spec-tbl td:first-child { width: 38%; min-width: 90px; font-size: 11.5px; }
  .spec-grp-hd { font-size: 11.5px; padding: 7px 12px; }
}

/* ≤480 极小屏：表格转列流（每行一组堆叠） */
@media (max-width: 480px) {
  .spec-tbl,
  .spec-tbl thead,
  .spec-tbl tbody,
  .spec-tbl tr,
  .spec-tbl th,
  .spec-tbl td {
    display: block;
    width: 100%;
  }
  .spec-tbl thead { display: none; }  /* 隐藏表头 */
  .spec-tbl tr {
    border-bottom: 1px solid var(--c-border);
    padding: 6px 0;
  }
  .spec-tbl tr:last-child { border-bottom: none; }
  .spec-tbl td {
    border: none;
    padding: 4px 12px;
    background: transparent !important;
  }
  .spec-tbl td:first-child {
    font-weight: 700;
    color: var(--c-primary) !important;
    background: transparent !important;
    font-size: 12px;
    width: 100% !important;
    padding-bottom: 2px;
  }
  .spec-tbl td:not(:first-child)::before {
    content: '→ ';
    color: var(--c-muted);
    margin-right: 4px;
  }
}

/* 分组（每个表上方蓝灰色标题块）— 用 tbody 内的 sp-cat 实现 */
/* 多列规格表 (i3/i5/i7 对比) */
.spec-table-x {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 13px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(51,117,175,.06);
}
.spec-table-x thead th {
  background: var(--c-primary);
  color: #fff;
  font-weight: 700;
  padding: 12px 18px;
  text-align: left;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
}
.spec-table-x--3col thead th {
  text-align: center;
}
.spec-table-x--3col thead th:first-child,
.spec-table-x--3col thead th.sp-cat-head {
  background: var(--c-bg-deep);
  text-align: left;
}

.spec-table-x tbody td,
.spec-table-x tbody th {
  padding: 10px 18px;
  vertical-align: top;
  line-height: 1.6;
  border-bottom: 1px solid #edf0f8;
}
.spec-table-x tbody tr:last-child td,
.spec-table-x tbody tr:last-child th { border-bottom: none; }

/* 第一列（大类） — 深蓝竖向标签 */
.spec-table-x .sp-cat {
  background: var(--c-bg-deep) !important;
  color: #fff !important;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 700;
  text-align: center;
  width: 92px;
  border-right: 2px solid var(--c-primary);
  position: relative;
  vertical-align: middle;
}
.spec-table-x .sp-cat::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 14px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-accent);
}

/* 第二列（参数名）— 浅蓝灰底加粗 */
.spec-table-x tbody tr > th:nth-child(2),
.spec-table-x tbody tr > th:first-child:not(.sp-cat) {
  background: #f0f5fa;
  font-weight: 600;
  color: var(--c-bg-deep);
  font-size: 12.5px;
  width: 200px;
  text-align: left;
}

/* td 内容列 */
.spec-table-x tbody td {
  color: var(--c-text);
  background: #fff;
}
.spec-table-x tbody td strong { color: var(--c-accent); font-weight: 700; }

/* 偶数行非首两列 - 浅蓝条纹 */
.spec-table-x--3col tbody tr:nth-child(even) td:not(:first-child):not(:nth-child(2)) {
  background: #fafbfe;
}
/* 单列 (allMerged) 表 - 行条纹 */
.spec-table-x:not(.spec-table-x--3col) tbody tr:nth-child(even) td:last-child {
  background: #fafbfe;
}

/* 旧的 spec-table-x 样式（保留兼容，但 HTML 已改用 spec-tbl） */

@media (max-width: 768px) {
  .spec-card { overflow-x: auto; }
  .spec-table-x { min-width: 720px; }
  .spec-table-x .sp-cat { width: 60px; }
  .spec-table-x tbody tr > th:nth-child(2) { width: 140px; }
}

/* =============================================================
   订货信息表
============================================================= */
.ordering-section { padding: var(--sp-14) 0; }
.ordering-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 1100px;
  margin: 0 auto;
}
.ordering-table {
  width: 100%;
  border-collapse: collapse;
}
.ordering-table thead th {
  background: var(--c-primary);
  color: #fff;
  padding: 12px 16px;
  font-size: var(--fs-sm);
  font-weight: 700;
  text-align: left;
  letter-spacing: 0.04em;
}
.ordering-table tbody td {
  padding: 12px 16px;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text);
}
.ordering-table tbody tr:last-child td { border-bottom: none; }
.ordering-table tbody tr:hover { background: var(--c-bg-alt); }
.ordering-table code {
  font-family: 'Inter', 'Monaco', monospace;
  font-size: var(--fs-sm);
  color: var(--c-accent);
  background: rgba(230,0,18,0.06);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.ordering-note {
  padding: var(--sp-4) var(--sp-6);
  background: var(--c-bg-alt);
  border-top: 1px solid var(--c-border);
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.7;
  margin: 0;
}
.ordering-note strong { color: var(--c-accent); }

@media (max-width: 768px) {
  .ordering-card { overflow-x: auto; }
  .ordering-table { min-width: 720px; }
}

/* =============================================================
   同系列推荐卡（related-grid 3 张）
============================================================= */
.related-section { padding: var(--sp-14) 0; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
  margin-bottom: var(--sp-6);
}
.related-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none !important;
  color: var(--c-text) !important;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-primary);
}
.related-card__media {
  aspect-ratio: 1 / 1;
  background: #fafbfc;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-5);
  border-bottom: 1px solid var(--c-border);
}
.related-card__media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.related-card__body { padding: var(--sp-5); }
.related-card__tag {
  display: inline-block;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 99px;
  margin-bottom: var(--sp-2);
}
.related-card__body h3 {
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  color: var(--c-primary);
  font-weight: 800;
  margin-bottom: var(--sp-2);
}
.related-card__body p {
  font-size: var(--fs-sm);
  color: var(--c-text-2);
  line-height: 1.6;
  margin-bottom: var(--sp-3);
}
.related-card__more {
  font-size: var(--fs-sm);
  color: var(--c-accent);
  font-weight: 700;
}
.related-section__more {
  text-align: center;
  margin-top: var(--sp-6);
  display: flex;
  gap: var(--sp-3);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 1024px) { .related-grid { grid-template-columns: 1fr; } }

/* =============================================================
   应用场景 4 卡 (app-card-grid)
============================================================= */
.apps-section { padding: var(--sp-14) 0; }
.app-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.app-card {
  margin: 0;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.app-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
.app-card figcaption {
  padding: var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--c-primary);
  text-align: center;
}

@media (max-width: 1024px) { .app-card-grid { grid-template-columns: repeat(2, 1fr); } }

/* =============================================================
   尺寸图区 — 大图展示
============================================================= */
.dims-section { padding: var(--sp-16) 0; }
.dims-pane {
  background: #ffffff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-10) var(--sp-8);
  text-align: center;
  max-width: 1280px;
  margin: 0 auto;
  box-shadow: 0 4px 16px rgba(51,117,175,.06);
}
.dims-pane img {
  max-width: 100%;
  width: 100%;
  height: auto;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.10));
}

@media (min-width: 1600px) {
  .dims-pane { max-width: 1480px; padding: var(--sp-12) var(--sp-10); }
}

/* =============================================================
   Hero 应用场景标签（替代 CPU 列表，更吸睛）
============================================================= */
.product-hero__apps {
  margin-bottom: var(--sp-5);
}
.product-hero__apps-label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--sp-2);
}
.product-hero__apps-tags {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.ph-app-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  color: #ffffff;
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 99px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background var(--t-fast), border-color var(--t-fast);
}
.ph-app-tag:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.36);
}

/* 兼容保留：老的 product-hero__cpu（若某些页面仍用） */
.product-hero__cpu {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  background: rgba(155, 195, 230, 0.10);
  border-left: 3px solid #9bc3e6;
  padding: var(--sp-3) var(--sp-4);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: var(--sp-5);
}
.product-hero__cpu-label {
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  font-weight: 700;
  white-space: nowrap;
}
.product-hero__cpu-value {
  color: #c7e0f0;
  font-weight: 700;
  font-size: var(--fs-md);
  line-height: 1.5;
}

/* variant-card 整体可点击 — a 标签包裹整张卡 */
a.variant-card {
  text-decoration: none !important;
  color: inherit !important;
  cursor: pointer;
}
a.variant-card .variant-card__model { color: var(--c-primary); }
a.variant-card .variant-card__model:hover { color: var(--c-accent); }
.variant-card__link-text {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--c-accent);
  font-size: var(--fs-sm);
  font-weight: 700;
  margin-top: auto;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-border);
  width: 100%;
  transition: gap var(--t-fast);
}
a.variant-card:hover .variant-card__link-text { gap: 8px; }