/* ============================================
   common.css — 公共样式：Header / Footer / 通用组件
   ============================================ */

/* ── 容器 ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ── 通用按钮 ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-outline {
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-bg-alt);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
}

/* ════════════════════════════════════════════
   HEADER
   ════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--header-bg);
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              backdrop-filter var(--transition-base);
}

/* 滚动后加投影 */
.site-header.is-scrolled {
  background: var(--header-bg-glass);
  border-bottom-color: var(--header-border);
  box-shadow: var(--header-shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* ── Logo ── */
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex-shrink: 0;
}

.logo-img {
  height: 52px;
  width: auto;
  display: block;
}

/* ── 主导航 ── */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-item.is-active > .nav-link {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

/* 下拉箭头 */
.nav-arrow {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
  opacity: 0.6;
  flex-shrink: 0;
}

.nav-item:hover .nav-arrow,
.nav-item.is-open .nav-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

/* ── 下拉菜单 ── */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 160px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast),
              transform var(--transition-fast),
              visibility var(--transition-fast);
  pointer-events: none;
}

.nav-item:hover .nav-dropdown,
.nav-item.is-open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* 下拉触发桥接区 */
.nav-item:hover .nav-dropdown::before,
.nav-item.is-open .nav-dropdown::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
}

.dropdown-item a {
  display: block;
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.dropdown-item a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

/* ── 汉堡菜单按钮（移动端） ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--color-bg-alt);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

/* 汉堡 → X 动画 */
.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── 移动端菜单抽屉 ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 999;
  overflow-y: auto;
  padding: var(--spacing-4) var(--spacing-6) var(--spacing-8);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.mobile-menu.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) 0;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-primary);
}

.mobile-nav-arrow {
  width: 16px;
  height: 16px;
  opacity: 0.5;
  transition: transform var(--transition-fast);
}

.mobile-nav-item.is-open .mobile-nav-arrow {
  transform: rotate(180deg);
}

.mobile-dropdown {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.mobile-nav-item.is-open .mobile-dropdown {
  max-height: 400px;
}

.mobile-dropdown a {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
}

.mobile-dropdown a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

/* ════════════════════════════════════════════
   HERO SECTION（左对齐 + 科技氛围）
   ════════════════════════════════════════════ */
.hero {
  min-height: calc(100vh - var(--header-height));
  background: linear-gradient(160deg, #0a1628 0%, #0f2042 40%, #162d5a 70%, #1a3a6e 100%);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  padding: var(--spacing-20) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
}

.hero-content {
  max-width: 580px;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--spacing-4);
  background: linear-gradient(135deg, #ffffff 0%, #a8c8fc 55%, #6FB1FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero 右侧浮动可视化 */
.hero-bgimg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.18;
}

.hero-visual {
  flex: 1;
  position: relative;
  min-height: 400px;
  z-index: 2;
}
.hero-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}
.hero-card--main {
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 220px;
  padding: var(--spacing-5);
}
.hero-card-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 80px;
  margin-bottom: var(--spacing-3);
  padding: 0 var(--spacing-1);
}
.hero-card-chart span {
  flex: 1;
  height: var(--bar-h, 50%);
  background: var(--gradient-primary);
  border-radius: 3px 3px 0 0;
  opacity: 0.85;
}
.hero-card-label {
  font-size: var(--font-size-xs);
  color: var(--color-primary-end);
  text-align: center;
  letter-spacing: 0.5px;
}
.hero-card--badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-4) var(--spacing-6);
  text-align: center;
  min-width: 100px;
}
.hero-card--b1 { top: 10%; right: 5%; }
.hero-card--b2 { bottom: 15%; left: 5%; }
.hero-badge-num {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary-end);
  line-height: 1;
}
.hero-badge-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-inverse-muted);
  margin-top: 4px;
}

.hero-badge-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-inverse-muted);
  margin-top: var(--spacing-1);
}

.hero-tagline {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-primary-end);
  margin-bottom: var(--spacing-6);
}

.hero-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-inverse-dim);
  line-height: 1.8;
  margin-bottom: var(--spacing-8);
}

.hero .btn-primary {
  box-shadow: 0 0 20px rgba(67, 100, 247, 0.4), var(--shadow-md);
}
.hero .btn-primary:hover {
  box-shadow: 0 0 30px rgba(67, 100, 247, 0.6), var(--shadow-lg);
}

/* Hero 背景装饰 */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(67, 100, 247, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 100, 247, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 30% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 50%, black 30%, transparent 70%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.hero-glow-1 {
  width: 500px;
  height: 500px;
  background: rgba(67, 100, 247, 0.15);
  top: -15%;
  left: -10%;
}
.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(111, 177, 252, 0.10);
  bottom: -20%;
  right: -5%;
}

.hero-particles {
  position: absolute;
  inset: 0;
}
.hero-particles span {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-primary-end);
  border-radius: 50%;
  opacity: 0.4;
  animation: particle-float 8s ease-in-out infinite;
}
.hero-particles span:nth-child(1) { top: 20%; left: 15%; animation-delay: 0s; }
.hero-particles span:nth-child(2) { top: 60%; left: 75%; animation-delay: 1.5s; }
.hero-particles span:nth-child(3) { top: 35%; left: 55%; animation-delay: 3s; width: 2px; height: 2px; }
.hero-particles span:nth-child(4) { top: 75%; left: 25%; animation-delay: 4.5s; }
.hero-particles span:nth-child(5) { top: 15%; left: 85%; animation-delay: 2s; width: 4px; height: 4px; opacity: 0.3; }
.hero-particles span:nth-child(6) { top: 80%; left: 60%; animation-delay: 5.5s; width: 2px; height: 2px; }

@keyframes particle-float {
  0%, 100% { transform: translate(0, 0); opacity: 0.4; }
  25% { transform: translate(15px, -20px); opacity: 0.6; }
  50% { transform: translate(-10px, -35px); opacity: 0.3; }
  75% { transform: translate(20px, -15px); opacity: 0.5; }
}

/* ════════════════════════════════════════════
   SECTION 通用
   ════════════════════════════════════════════ */
.section {
  padding: var(--spacing-20) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-12);
}

.section-title {
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
  position: relative;
  padding-bottom: var(--spacing-4);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}

/* ════════════════════════════════════════════
   标题装饰方块
   ════════════════════════════════════════════ */
.title-deco {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
  vertical-align: middle;
  margin: 0 var(--spacing-2);
  box-shadow: 0 0 8px var(--color-primary);
}

/* ════════════════════════════════════════════
   StarPlex 架构全景图
   ════════════════════════════════════════════ */
.starplex-section {
  background: linear-gradient(180deg, #F5F8FF 0%, #E8EFFC 100%);
  color: var(--color-text-primary);
  position: relative;
  overflow: hidden;
}

.starplex-section .container {
  position: relative;
  z-index: 1;
}

.starplex-section .section-title,
.starplex-section .section-desc {
  color: var(--color-text-primary);
}

.starplex-section .section-desc {
  color: var(--color-text-secondary);
}

.starplex-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.starplex-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(67, 100, 247, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 100, 247, 0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
}

.starplex-bg-glow-1 {
  position: absolute;
  width: 500px;
  height: 500px;
  background: rgba(67, 100, 247, 0.16);
  border-radius: 50%;
  filter: blur(120px);
  top: -20%;
  right: -10%;
}

.starplex-bg-glow-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  background: rgba(111, 177, 252, 0.18);
  border-radius: 50%;
  filter: blur(120px);
  bottom: -15%;
  left: -10%;
}

/* 架构全景图：Grid 布局 */
.starplex-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr 280px;
  grid-template-rows: auto auto auto;
  gap: var(--spacing-3);
  column-gap: var(--spacing-3);
  margin-bottom: var(--spacing-12);
}

.starplex-col {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.starplex-col .starplex-module-card {
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  border-bottom: none;
  padding-bottom: var(--spacing-3);
}

.starplex-col .starplex-cap-card {
  border-left: 3px solid var(--color-primary);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  border-top: 1px dashed rgba(67, 100, 247, 0.35);
  position: relative;
}

/* 纵向支撑箭头：星核向上支撑能力卡片 */
.starplex-col .starplex-cap-card::after {
  content: '';
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 24px;
  background: linear-gradient(to top, rgba(67, 100, 247, 0.55), rgba(67, 100, 247, 0.2));
  z-index: 1;
}

/* 支撑箭头三角（向上） */
.starplex-col .starplex-cap-card::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 6px solid rgba(67, 100, 247, 0.5);
  z-index: 1;
}

/* 流向箭头：垂直居中对齐大卡片侧边 */
.starplex-flow-arrow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  color: var(--color-primary);
  opacity: 0.6;
  padding-top: 160px;
}

.starplex-flow-arrow svg {
  width: 24px;
  height: 24px;
  filter: drop-shadow(0 0 8px rgba(67, 100, 247, 0.6));
  animation: flow-pulse 2s ease-in-out infinite;
}

@keyframes flow-pulse {
  0%, 100% { opacity: 0.5; transform: translateX(0); }
  50% { opacity: 1; transform: translateX(3px); }
}

/* 右侧四层架构堆栈 — 跨所有行 */
.starplex-right-stack {
  display: flex;
  flex-direction: column;
  border-left: 1px solid rgba(67, 100, 247, 0.2);
  padding-left: var(--spacing-4);
  position: relative;
  grid-column: 6;
  grid-row: 1 / -1;
}

/* 底座卡片 — 跨前5列 */
.starplex-grid > [data-area="starcore"] {
  grid-column: 1 / 6;
}

.starplex-grid > [data-area="industry"] {
  grid-column: 1 / 6;
}

/* 左侧引擎 → 右侧架构 发光竖线 + 箭头 */
.starplex-right-stack::before {
  content: '';
  position: absolute;
  left: -1px;
  top: 5%;
  height: 90%;
  width: 2px;
  background: linear-gradient(to bottom,
    rgba(67, 100, 247, 0.1),
    rgba(67, 100, 247, 0.5) 30%,
    rgba(67, 100, 247, 0.5) 70%,
    rgba(67, 100, 247, 0.1));
  box-shadow: 0 0 8px rgba(67, 100, 247, 0.4), 0 0 16px rgba(67, 100, 247, 0.2);
}

.starplex-right-stack::after {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 10px solid rgba(67, 100, 247, 0.5);
  filter: drop-shadow(0 0 6px rgba(67, 100, 247, 0.5));
}

/* 底层基座卡片通用 */

.starplex-foundation-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-5);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(67, 100, 247, 0.18);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4) var(--spacing-6);
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(67, 100, 247, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.starplex-foundation-card:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(67, 100, 247, 0.35);
  box-shadow: 0 4px 16px rgba(67, 100, 247, 0.1);
}

.starplex-foundation-card--starcore {
  border-left: 3px solid var(--color-primary);
  flex-wrap: wrap;
  justify-content: space-between;
}

.starplex-foundation-card--starcore .starplex-module-tags {
  display: flex;
  gap: var(--spacing-2);
  justify-content: space-around;
  flex: 1;
}

.starplex-foundation-card--industry {
  border-left: 3px solid var(--color-primary);
  background: rgba(67, 100, 247, 0.06);
}

.starplex-foundation-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.starplex-foundation-icon svg {
  width: 100%;
  height: 100%;
}

.starplex-foundation-body {
  flex: 1;
  min-width: 0;
}

.starplex-module-card {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(67, 100, 247, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  transition: all var(--transition-base);
  flex: 1;
  box-shadow: 0 2px 10px rgba(67, 100, 247, 0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.starplex-module-card:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(67, 100, 247, 0.4);
  box-shadow: 0 12px 32px rgba(67, 100, 247, 0.15);
}

.starplex-module-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-4);
  color: var(--color-primary);
}

.starplex-module-icon svg {
  width: 100%;
  height: 100%;
}

.starplex-module-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-1);
}

.starplex-module-name span {
  font-weight: 400;
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-left: var(--spacing-1);
}

.starplex-module-role {
  font-size: var(--font-size-base);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--spacing-3);
}

.starplex-module-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-3);
}

.starplex-module-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

/* 网格式技术标签（方案A） */
.starplex-module-tags--grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.starplex-module-tags--grid .starplex-tag {
  font-size: 0.75rem;
  padding: 4px 12px;
  white-space: nowrap;
}

.starplex-tag {
  font-size: 0.8rem;
  padding: 5px 14px;
  background: rgba(67, 100, 247, 0.1);
  border: 1px solid rgba(67, 100, 247, 0.12);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
}

/* 4 层架构 */
.starplex-layers-header {
  text-align: center;
  margin-bottom: var(--spacing-3);
}

.starplex-layers-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 2px;
}

.starplex-layers {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  flex: 1;
}

.starplex-layer {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(67, 100, 247, 0.15);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-2) var(--spacing-3);
  transition: all var(--transition-base);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(67, 100, 247, 0.04);
}

/* 四层边条统一主色 */

.starplex-layer:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(67, 100, 247, 0.35);
  box-shadow: 0 4px 12px rgba(67, 100, 247, 0.1);
}

.starplex-layer-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 1px;
}

.starplex-layer-role {
  font-size: 0.7rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-1);
}

.starplex-layer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  align-items: center;
}

.starplex-layer-tags span {
  font-size: 0.65rem;
  padding: 2px 8px;
  background: rgba(67, 100, 247, 0.06);
  border: 1px solid rgba(67, 100, 247, 0.15);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* 能力卡片（嵌入模块下方 + 底层基座） */
.starplex-cap-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(67, 100, 247, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  transition: all var(--transition-base);
}

.starplex-cap-card:hover {
  border-color: rgba(67, 100, 247, 0.35);
  background: rgba(255, 255, 255, 0.95);
}

.starplex-cap-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.starplex-cap-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--spacing-3);
}

.starplex-cap-metric {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.starplex-cap-metric strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* ════════════════════════════════════════════
   星链多模态智能采集 详细展示
   ════════════════════════════════════════════ */
.starlink-detail-section {
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
}

.starlink-detail-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(180deg, transparent 0%, rgba(10,14,26,0.03) 100%);
  pointer-events: none;
  z-index: 0;
}

.starlink-detail-section .container {
  position: relative;
  z-index: 1;
}

/* 背景装饰 */
.starlink-detail-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.starlink-detail-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(67, 100, 247, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 100, 247, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
}
.starlink-detail-bg-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: rgba(67, 100, 247, 0.04);
  border-radius: 50%;
  filter: blur(100px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 标题区 */
.starlink-detail-header {
  margin-bottom: var(--spacing-8);
  position: relative;
  padding-bottom: var(--spacing-4);
  text-align: center;
}

.starlink-detail-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.starlink-detail-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

.starlink-detail-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* 三列 Grid */
.starlink-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
}

/* 卡片：半透明磨砂设计 */
.starlink-detail-card {
  background: rgba(255, 255, 255, 0.5);
  border: 1.5px solid rgba(67, 100, 247, 0.15);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(4px);
  box-shadow: 0 1px 3px rgba(67, 100, 247, 0.04);
}

.starlink-detail-card:hover {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(67, 100, 247, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(67, 100, 247, 0.12);
}

/* 转变标语 */
.starlink-detail-slogan {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-5);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.starlink-detail-slogan-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: #fff;
  background: linear-gradient(135deg, #3B5DE8, #6FB1FC);
  border-radius: 50%;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(67, 100, 247, 0.18);
}

.starlink-detail-slogan-icon svg {
  width: 100%;
  height: 100%;
}

/* 数据可视化装饰区 */
.starlink-detail-visual {
  display: block;
  position: relative;
  height: 140px;
  margin-bottom: var(--spacing-5);
  border-radius: var(--radius-lg);
  overflow: hidden;
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.starlink-detail-card:hover .starlink-detail-visual {
  opacity: 1;
}

.starlink-detail-visual--1,
.starlink-detail-visual--2,
.starlink-detail-visual--3 {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.starlink-detail-visual--1 {
  background-image: url(../assets/images/starlink/cap-01.png);
}

.starlink-detail-visual--2 {
  background-image: url(../assets/images/starlink/cap-02.png);
}

.starlink-detail-visual--3 {
  background-image: url(../assets/images/starlink/cap-03.png);
}

.starlink-detail-visual--1,
.starlink-detail-visual--2,
.starlink-detail-visual--3 {
  opacity: 1;
}

.starlink-detail-visual--1 .starlink-detail-visual-grid,
.starlink-detail-visual--2 .starlink-detail-visual-grid,
.starlink-detail-visual--3 .starlink-detail-visual-grid,
.starlink-detail-visual--1 .starlink-detail-visual-glow,
.starlink-detail-visual--2 .starlink-detail-visual-glow,
.starlink-detail-visual--3 .starlink-detail-visual-glow,
.starlink-detail-visual--1 .starlink-detail-visual-scan,
.starlink-detail-visual--2 .starlink-detail-visual-scan,
.starlink-detail-visual--3 .starlink-detail-visual-scan {
  display: none;
}

.starlink-detail-visual--1::after,
.starlink-detail-visual--2::after,
.starlink-detail-visual--3::after {
  display: none;
}

.starlink-detail-visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(67, 100, 247, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 100, 247, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
}

.starlink-detail-visual-glow {
  position: absolute;
  width: 120px;
  height: 120px;
  background: rgba(67, 100, 247, 0.08);
  border-radius: 50%;
  filter: blur(40px);
  top: 30%;
  left: 20%;
  animation: starlink-glow-pulse 5s ease-in-out infinite;
}

.starlink-detail-visual--2 .starlink-detail-visual-glow {
  left: 50%;
  top: 40%;
}

.starlink-detail-visual--3 .starlink-detail-visual-glow {
  left: 70%;
  top: 25%;
}

@keyframes starlink-glow-pulse {
  0% { opacity: 0.3; transform: scale(0.8); }
  25% { opacity: 0.5; }
  50% { opacity: 0.8; transform: scale(1.3); }
  75% { opacity: 0.5; }
  100% { opacity: 0.3; transform: scale(0.8); }
}

/* 第二层光晕 */
.starlink-detail-visual::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 80px;
  background: rgba(67, 100, 247, 0.05);
  border-radius: 50%;
  filter: blur(30px);
  top: 60%;
  right: 15%;
  animation: starlink-glow-pulse 6s ease-in-out infinite 0.5s;
}

/* 扫描线动画 */
.starlink-detail-visual-scan {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(67, 100, 247, 0.04) 20%,
    rgba(67, 100, 247, 0.1) 50%,
    rgba(67, 100, 247, 0.04) 80%,
    transparent 100%);
  animation: starlink-scan 8s linear infinite;
}

@keyframes starlink-scan {
  0% { left: -50%; }
  100% { left: 150%; }
}

/* 特性列表 — 中英文双行 */
.starlink-detail-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-5);
  flex: 1;
}

.starlink-detail-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  background: rgba(67, 100, 247, 0.02);
  border-left: 2px solid #6FB1FC;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.starlink-detail-features li:hover {
  background: rgba(67, 100, 247, 0.06);
  border-left-color: #4364F7;
  transform: translateX(4px);
}

.starlink-detail-feature-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  margin-top: 6px;
  box-shadow: 0 0 8px rgba(67, 100, 247, 0.5);
}

.starlink-detail-feature-zh {
  display: block;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.starlink-detail-feature-en {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* 底部标语 — 描边胶囊 */
.starlink-detail-tagline {
  background: linear-gradient(135deg, rgba(59, 93, 232, 0.08), rgba(111, 177, 252, 0.06));
  border: 1.5px solid #4364F7;
  border-radius: 999px;
  padding: var(--spacing-3) var(--spacing-5);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-base);
  margin-top: auto;
}

.starlink-detail-card:hover .starlink-detail-tagline {
  background: linear-gradient(135deg, rgba(59, 93, 232, 0.12), rgba(111, 177, 252, 0.1));
  border-color: #0052D4;
  transform: translateY(-2px);
}

/* ════════════════════════════════════════════
   星流实时数据治理 详细展示（深色+绿色）
   ════════════════════════════════════════════ */
.starflow-detail-section {
  background: linear-gradient(180deg, #0A0E1A 0%, rgba(10, 14, 26, 0.98) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.starflow-detail-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(14, 165, 233, 0.4), transparent);
}

.starflow-detail-section .container {
  position: relative;
  z-index: 1;
}

/* 背景装饰 */
.starflow-detail-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.starflow-detail-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
}

.starflow-detail-bg-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: rgba(14, 165, 233, 0.06);
  border-radius: 50%;
  filter: blur(120px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 标题区 */
.starflow-detail-header {
  margin-bottom: var(--spacing-12);
  position: relative;
  padding-bottom: var(--spacing-6);
}

.starflow-detail-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, #0EA5E9, rgba(14, 165, 233, 0));
  border-radius: 2px;
}

.starflow-detail-title {
  font-size: 2rem;
  font-weight: 700;
  color: #0EA5E9;
  margin-bottom: var(--spacing-2);
}

.starflow-detail-subtitle {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.6);
  font-weight: 400;
}

/* 第一行：4 亮点卡片 */
.starflow-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

/* 两行间小标题 */
.starflow-divider {
  text-align: center;
  margin-bottom: var(--spacing-8);
  position: relative;
}

.starflow-divider-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 2px;
  display: inline-block;
  position: relative;
  padding: 0 var(--spacing-4);
}

.starflow-divider-title::before,
.starflow-divider-title::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 60px;
  height: 2px;
  border-radius: 1px;
}

.starflow-divider-title::before {
  background: linear-gradient(to left, rgba(14, 165, 233, 0.4), transparent);
}
.starflow-divider-title::after {
  background: linear-gradient(to right, rgba(14, 165, 233, 0.4), transparent);
}

.starflow-divider-title::before { right: calc(100% + 4px); }
.starflow-divider-title::after { left: calc(100% + 4px); }

.starflow-highlight-card {
  background:
    radial-gradient(circle at 15% 20%, rgba(14, 165, 233, 0.08), transparent 50%),
    rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.starflow-highlight-card:hover {
  background:
    radial-gradient(circle at 15% 20%, rgba(14, 165, 233, 0.12), transparent 50%),
    rgba(14, 165, 233, 0.06);
  border-color: rgba(14, 165, 233, 0.5);
  transform: translateY(-6px);
  box-shadow: 0 24px 72px rgba(14, 165, 233, 0.2);
}

.starflow-highlight-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-2);
}

.starflow-highlight-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  color: #0EA5E9;
  background: rgba(14, 165, 233, 0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  margin-top: 2px;
}

.starflow-highlight-icon svg {
  width: 100%;
  height: 100%;
}

.starflow-highlight-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: #0EA5E9;
  margin-bottom: 2px;
}

.starflow-highlight-sub {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  margin-bottom: var(--spacing-4);
}

.starflow-highlight-sub strong {
  color: #0EA5E9;
  font-weight: 700;
}

/* 亮点卡片 visual 装饰 */
.starflow-highlight-visual {
  height: 40px;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-4);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08) 0%, rgba(10, 14, 26, 0.9) 100%);
}

.starflow-highlight-visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.starflow-highlight-visual-glow {
  position: absolute;
  width: 80px;
  height: 80px;
  background: rgba(14, 165, 233, 0.12);
  border-radius: 50%;
  filter: blur(30px);
  top: 30%;
  left: 30%;
  animation: starflow-glow 8s ease-in-out infinite;
}

/* 错开各卡片动画 */
.starflow-highlight-card:nth-child(2) .starflow-highlight-visual-glow { animation-delay: 1s; }
.starflow-highlight-card:nth-child(3) .starflow-highlight-visual-glow { animation-delay: 2s; }
.starflow-highlight-card:nth-child(4) .starflow-highlight-visual-glow { animation-delay: 3s; }

@keyframes starflow-glow {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 0.7; transform: scale(1.2); }
}

.starflow-highlight-desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  flex: 1;
}

.starflow-highlight-desc strong {
  color: #0EA5E9;
  font-weight: 700;
}

/* 第二行：3 能力卡片 */
.starflow-capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.starflow-cap-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(14, 165, 233, 0.15);
  border-left: 3px solid #0EA5E9;
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  transition: all var(--transition-base);
}

.starflow-cap-card:hover {
  background: rgba(14, 165, 233, 0.06);
  border-color: rgba(14, 165, 233, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(14, 165, 233, 0.12);
}

.starflow-cap-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: #0EA5E9;
  margin-bottom: var(--spacing-4);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.starflow-cap-title::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #0EA5E9;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(14, 165, 233, 0.5);
}

.starflow-cap-desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
}

/* ════════════════════════════════════════════
   星核统一语义构建 详细展示（浅色+紫蓝色）
   ════════════════════════════════════════════ */
.starcore-detail-section {
  background:
    linear-gradient(180deg, rgba(88, 126, 230, 0.04) 0%, var(--color-bg-alt) 15%),
    var(--color-bg-alt);
  position: relative;
  overflow: visible;
}

.starcore-detail-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(88, 126, 230, 0.3), transparent);
}

/* 标题区 — 居中 */
.starcore-detail-header {
  margin-bottom: var(--spacing-6);
  text-align: center;
  position: relative;
  padding-bottom: var(--spacing-4);
}

.starcore-detail-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, rgba(88, 126, 230, 0), var(--color-starcore), rgba(88, 126, 230, 0));
  border-radius: 2px;
}

.starcore-detail-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-starcore);
  margin-bottom: var(--spacing-2);
}

.starcore-detail-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: 400;
}

/* 顶部3功能标签 */
.starcore-tags {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
  position: relative;
}

.starcore-tag {
  background: rgba(88, 126, 230, 0.06);
  border: 1px solid rgba(88, 126, 230, 0.2);
  color: var(--color-starcore);
  padding: var(--spacing-2) var(--spacing-6);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(88, 126, 230, 0.08);
}

.starcore-tag:hover {
  background: rgba(88, 126, 230, 0.12);
  border-color: rgba(88, 126, 230, 0.4);
  box-shadow: 0 4px 16px rgba(88, 126, 230, 0.15);
  transform: translateY(-2px);
}

/* 中心圆形装饰 + U型半环特性 */
.starcore-orbit {
  position: relative;
  width: 100%;
  max-width: 800px;
  height: 420px;
  margin: 0 auto var(--spacing-6);
}

/* 圆形装饰 — 3D椭圆平台 */
.starcore-circle {
  position: absolute;
  top: 36%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 460px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

/* 外层光晕 — 品牌色辐射 + 呼吸 */
.starcore-circle-glow {
  position: absolute;
  inset: -60px;
  background:
    radial-gradient(ellipse 55% 45% at 50% 50%, rgba(67, 100, 247, 0.22) 0%, rgba(0, 82, 212, 0.08) 45%, transparent 75%);
  border-radius: 50%;
  animation: starcore-pulse 7s ease-in-out infinite;
  pointer-events: none;
}

/* 主椭圆 — 数据汇聚池（玻璃态 + 品牌渐变） */
.starcore-circle-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(ellipse 88% 65% at 42% 32%, rgba(255, 255, 255, 0.72) 0%, rgba(255, 255, 255, 0.18) 38%, transparent 65%),
    linear-gradient(135deg, rgba(0, 82, 212, 0.14) 0%, rgba(67, 100, 247, 0.1) 50%, rgba(111, 177, 252, 0.16) 100%);
  border: 1px solid rgba(67, 100, 247, 0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow:
    0 0 24px rgba(67, 100, 247, 0.18),
    0 0 60px rgba(67, 100, 247, 0.1),
    0 0 120px rgba(0, 82, 212, 0.06),
    inset 0 -30px 55px rgba(0, 82, 212, 0.08),
    inset 0 10px 28px rgba(255, 255, 255, 0.35);
}

/* 内圈高光环 — 内壁细腻反光 */
.starcore-circle-ring::after {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(111, 177, 252, 0.2);
  border-radius: 50%;
  box-shadow:
    inset 0 0 28px rgba(67, 100, 247, 0.08),
    inset 0 2px 8px rgba(255, 255, 255, 0.4);
  pointer-events: none;
}

/* 底部投影 — 底座厚度 */
.starcore-circle-ring::before {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 6%;
  right: 6%;
  height: 18px;
  background: radial-gradient(ellipse at center, rgba(0, 82, 212, 0.22), rgba(0, 82, 212, 0.02) 70%, transparent);
  filter: blur(6px);
  border-radius: 50%;
  pointer-events: none;
}

@keyframes starcore-pulse {
  0%, 100% { opacity: 0.55; transform: scale(0.96); }
  50%      { opacity: 1;    transform: scale(1.04); }
}


.starcore-circle-content {
  text-align: center;
  position: relative;
  z-index: 2;
  padding: var(--spacing-6);
}

.starcore-circle-brand {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-starcore);
  margin-bottom: var(--spacing-3);
}

.starcore-circle-data {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-weight: 500;
  white-space: nowrap;
}

.starcore-circle-data strong {
  color: var(--color-starcore);
  font-weight: 800;
  font-size: var(--font-size-xl);
}

/* 5个环绕特性 — 对称半环+汇聚箭头 */
.starcore-feature {
  position: absolute;
  width: 140px;
  text-align: center;
  z-index: 2;
}

/* 图标容器 */
.starcore-feature-icon {
  width: 32px;
  height: 32px;
  margin: 0 auto var(--spacing-1);
  background: rgba(88, 126, 230, 0.1);
  border: 2px solid rgba(88, 126, 230, 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  color: var(--color-starcore);
}

.starcore-feature-icon svg {
  width: 100%;
  height: 100%;
}

/* SVG汇聚连线 */
.starcore-connections {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* U型半环定位 — 5特性紧贴中心 */
.starcore-feature[data-pos="top-left"] {
  top: 55px;
  left: 0;
}

.starcore-feature[data-pos="bottom-left"] {
  bottom: 0;
  left: 40px;
}

.starcore-feature[data-pos="bottom"] {
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
}

.starcore-feature[data-pos="bottom-right"] {
  bottom: 0;
  right: 40px;
}

.starcore-feature[data-pos="top-right"] {
  top: 55px;
  right: 0;
}

.starcore-feature-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-starcore);
  margin-bottom: 2px;
}

.starcore-feature-desc {
  font-size: 11px;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* 底部3列能力卡片 */
.starcore-capabilities {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
  position: relative;
  padding-top: var(--spacing-8);
}

/* 向下连接线：从中心圆正下方引出 */
.starcore-capabilities::before {
  content: '';
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(88, 126, 230, 0.06), rgba(88, 126, 230, 0.25));
  border-radius: 2px;
}

/* 水平分叉线 — 圆角管道 + 向下引线由卡片::before绘制 */
.starcore-capabilities::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 16%;
  right: 16%;
  height: 28px;
  border-left: 2.5px solid rgba(88, 126, 230, 0.2);
  border-right: 2.5px solid rgba(88, 126, 230, 0.2);
  border-top: 2.5px solid rgba(88, 126, 230, 0.2);
  border-radius: 14px 14px 0 0;
}

.starcore-cap-card {
  background: #FAFBFF;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-starcore);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  transition: all var(--transition-base);
  position: relative;
}

/* 每张卡片顶部的向下小箭头 */
.starcore-cap-card::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid rgba(88, 126, 230, 0.25);
}

.starcore-cap-card:hover {
  border-color: rgba(88, 126, 230, 0.4);
  border-top-color: var(--color-starcore);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.starcore-cap-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-starcore);
  margin-bottom: var(--spacing-3);
}

.starcore-cap-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.starcore-cap-list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--spacing-2) 0;
  border-bottom: 1px solid var(--color-border-light);
  position: relative;
  padding-left: var(--spacing-4);
  line-height: 1.6;
}

.starcore-cap-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #587EE6;
  opacity: 0.6;
}

.starcore-cap-list li:last-child {
  border-bottom: none;
}

/* ════════════════════════════════════════════
   星境跨域关联推理（环形闭环轨道 · 深色背景）
   ════════════════════════════════════════════ */
.starscope-detail-section {
  background: #0A0E1A;
  position: relative;
  overflow: hidden;
  padding: var(--spacing-12) 0 var(--spacing-8);
}

/* 背景装饰 */
.starscope-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.starscope-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,180,252,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,180,252,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.starscope-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}
.starscope-bg-glow-1 {
  width: 500px;
  height: 500px;
  top: -100px;
  left: -150px;
  background: rgba(0, 82, 212, 0.08);
}
.starscope-bg-glow-2 {
  width: 400px;
  height: 400px;
  bottom: -80px;
  right: -100px;
  background: rgba(31, 217, 199, 0.06);
}

/* 标题区 */
.starscope-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}
.starscope-title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing-2);
}
.starscope-subtitle {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.65);
}

/* 轨道容器 */
.starscope-orbit {
  position: relative;
  max-width: 960px;
  height: 680px;
  margin: 0 auto;
}
.starscope-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* 中心核心 */
.starscope-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 150px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  text-align: center;
}
.starscope-center-glow {
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(67,100,247,0.2) 0%,
    rgba(67,100,247,0.08) 40%,
    transparent 70%
  );
  animation: ss-center-pulse 5s ease-in-out infinite;
}
@keyframes ss-center-pulse {
  0%, 100% { opacity: 0.6; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.08); }
}
.starscope-center-label {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
  text-shadow: 0 0 20px rgba(111,177,252,0.6), 0 0 40px rgba(67,100,247,0.3), 0 0 60px rgba(67,100,247,0.1);
  letter-spacing: 0.5px;
}
.starscope-center-kw {
  display: flex;
  gap: 4px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 160px;
}
.starscope-center-kw span {
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  padding: 2px 6px;
  border: 1px solid rgba(111,177,252,0.2);
  border-radius: 6px;
  white-space: nowrap;
}

/* 能力卡片 */
.starscope-card {
  position: absolute;
  width: 260px;
  background:
    linear-gradient(135deg, rgba(67,100,247,0.05) 0%, rgba(15,23,42,0.7) 100%),
    rgba(15,23,42,0.7);
  border: 1px solid rgba(111,177,252,0.18);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5) var(--spacing-5);
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  z-index: 2;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2), inset 0 1px 0 rgba(111,177,252,0.08);
}
.starscope-card:hover {
  background: rgba(15,23,42,0.9);
  border-color: rgba(111,177,252,0.4);
  box-shadow: 0 8px 32px rgba(67,100,247,0.2);
  transform: translateY(-3px);
}

/* 卡片定位 */
.starscope-card[data-pos="top-left"] { top: 20px; left: 0; }
.starscope-card[data-pos="top-right"] { top: 20px; right: 0; }
.starscope-card[data-pos="bottom-left"] { bottom: 30px; left: 0; }
.starscope-card[data-pos="bottom-right"] { bottom: 30px; right: 0; }

.starscope-card-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--card-color, #4364F7);
  opacity: 0.35;
  position: absolute;
  top: 8px;
  right: 12px;
  line-height: 1;
}
.starscope-card-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing-3);
  padding-left: 10px;
  border-left: 3px solid var(--card-color, #4364F7);
  letter-spacing: 0.3px;
}
.starscope-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.starscope-card-list li {
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
  padding: 4px 0;
  padding-left: 14px;
  position: relative;
}
.starscope-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--card-color, #4364F7);
  opacity: 0.5;
}
.starscope-card-list li strong {
  color: #6FB1FC;
  font-weight: 700;
  background: rgba(111,177,252,0.08);
  padding: 1px 3px;
  border-radius: 3px;
}

/* SVG节点 hover 高亮 */
.starscope-node-dot {
  transition: opacity 0.3s, r 0.3s;
}
.starscope-node-ring {
  animation: ss-node-ring-pulse 3s ease-in-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes ss-node-ring-pulse {
  0%, 100% { stroke-opacity: 0.25; transform: scale(0.95); }
  50%      { stroke-opacity: 0.6;  transform: scale(1.08); }
}
.starscope-link {
  transition: stroke-opacity 0.3s;
  animation: ss-line-flow 2s linear infinite;
}
@keyframes ss-line-flow {
  0% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -14; }
}

/* 外层轨道流动 */
.starscope-orbit-ring {
  animation: ss-orbit-flow 18s linear infinite;
}
@keyframes ss-orbit-flow {
  to { stroke-dashoffset: 160; }
}

/* 节点序列脉冲 — 依次高亮 L1→L2→L3→L4，4s 循环 */
.starscope-node-dot[data-layer="1"] { animation: ss-node-seq 4s ease-in-out infinite; animation-delay: 0s; }
.starscope-node-dot[data-layer="2"] { animation: ss-node-seq 4s ease-in-out infinite; animation-delay: 1s; }
.starscope-node-dot[data-layer="3"] { animation: ss-node-seq 4s ease-in-out infinite; animation-delay: 2s; }
.starscope-node-dot[data-layer="4"] { animation: ss-node-seq 4s ease-in-out infinite; animation-delay: 3s; }
@keyframes ss-node-seq {
  0%, 18%, 100% { filter: url(#ss-glow-sm); }
  6%, 12%       { filter: url(#ss-glow); }
}

/* 节点外环跟随序列放大 */
.starscope-node-ring[cx="480"][cy="505"] { animation: ss-ring-seq 4s ease-out infinite; animation-delay: 0s; }
.starscope-node-ring[cx="645"][cy="340"] { animation: ss-ring-seq 4s ease-out infinite; animation-delay: 1s; }
.starscope-node-ring[cx="480"][cy="175"] { animation: ss-ring-seq 4s ease-out infinite; animation-delay: 2s; }
.starscope-node-ring[cx="315"][cy="340"] { animation: ss-ring-seq 4s ease-out infinite; animation-delay: 3s; }
@keyframes ss-ring-seq {
  0%   { stroke-opacity: 0.4; r: 28; }
  15%  { stroke-opacity: 0.9; r: 42; }
  30%, 100% { stroke-opacity: 0.3; r: 28; }
}

/* 4 个方向箭头呼吸 */
.starscope-flow-arrow {
  animation: ss-arrow-pulse 2.4s ease-in-out infinite;
  transform-box: fill-box;
}
.starscope-flow-arrow:nth-of-type(2) { animation-delay: -0.6s; }
.starscope-flow-arrow:nth-of-type(3) { animation-delay: -1.2s; }
.starscope-flow-arrow:nth-of-type(4) { animation-delay: -1.8s; }
@keyframes ss-arrow-pulse {
  0%, 100% { opacity: 0.45; }
  50%      { opacity: 1; }
}

/* hover 连锁：卡片激活时 */
.starscope-orbit.has-hover .starscope-card:not(.is-active) {
  opacity: 0.3;
}
.starscope-orbit.has-hover .starscope-link:not(.is-active) {
  stroke-opacity: 0.05 !important;
}
.starscope-orbit.has-hover .starscope-node-dot:not(.is-active) {
  opacity: 0.3;
}
.starscope-card.is-active {
  border-color: var(--card-color, rgba(255,255,255,0.3));
  background: rgba(255,255,255,0.1);
}
.starscope-link.is-active {
  stroke-opacity: 0.6 !important;
  stroke-width: 2.5 !important;
}
.starscope-node-dot.is-active {
  opacity: 1;
}

/* ════════════════════════════════════════════
   产品模块概览
   ════════════════════════════════════════════ */
.modules-section {
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
  border-top: 2px solid rgba(14, 165, 233, 0.15);
}

.modules-bg {
  display: none;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-8);
  position: relative;
  z-index: 1;
}

.module-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.module-card:hover {
  border-color: rgba(67, 100, 247, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.module-card-header {
  margin-bottom: var(--spacing-4);
}

.module-card-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-1);
}

.module-card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
}

.module-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-4);
}

.module-card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-6) 0;
}

.module-card-features li {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--spacing-2) 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  padding-left: var(--spacing-4);
}

.module-card-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.8;
}

.module-card-metrics {
  display: flex;
  gap: var(--spacing-4);
  margin-top: auto;
  margin-bottom: var(--spacing-4);
  flex-wrap: wrap;
}

.module-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.module-metric-value {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.module-metric-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.module-metric-tag {
  font-size: var(--font-size-xs);
  padding: var(--spacing-1) var(--spacing-3);
  background: rgba(67, 100, 247, 0.08);
  border: 1px solid rgba(67, 100, 247, 0.2);
  border-radius: var(--radius-full);
  color: var(--color-primary);
}

.module-card-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.module-highlight {
  font-size: var(--font-size-xs);
  padding: var(--spacing-1) var(--spacing-3);
  background: rgba(67, 100, 247, 0.08);
  border: 1px solid rgba(67, 100, 247, 0.2);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-weight: 500;
}

.module-card-link {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.module-card-link:hover {
  color: var(--color-primary-start);
}

/* ════════════════════════════════════════════
   案例 Section
   ════════════════════════════════════════════ */
.cases-section {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.cases-more-inline {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 500;
  margin-left: var(--spacing-3);
  transition: color var(--transition-fast);
}

.cases-more-inline:hover {
  color: var(--color-primary-start);
}

.cases-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
}

.case-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.case-card-img {
  height: 180px;
  overflow: hidden;
  background: #F0F4FF;
}

.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-card-img img {
  transform: scale(1.04);
}

.case-card-body {
  padding: var(--spacing-6);
  position: relative;
}

.case-card-quote {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-6);
  font-size: 3rem;
  color: var(--color-primary);
  opacity: 0.15;
  line-height: 1;
  font-family: var(--font-family-serif);
}

.case-card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-3);
  line-height: 1.5;
}

.case-card-pain {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-3);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px dashed var(--color-border-light);
}

.case-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.case-card-excerpt strong {
  color: var(--color-primary);
  font-weight: 600;
}

.case-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-top: var(--spacing-3);
}

.case-card-tags span {
  font-size: 0.7rem;
  padding: 2px 8px;
  background: rgba(67, 100, 247, 0.08);
  border: 1px solid rgba(67, 100, 247, 0.15);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  white-space: nowrap;
  font-weight: 600;
}

.case-card-link {
  display: inline-block;
  margin-top: var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}
.case-card-link:hover {
  color: #6FB1FC;
}

/* ════════════════════════════════════════════
   代表客户 Section
   ════════════════════════════════════════════ */
.clients-section {
  background: var(--color-bg-alt);
}

.clients-logo {
  text-align: center;
}

.clients-logo-wrapper {
  position: relative;
  overflow: hidden;
  display: block;
  width: 100%;
}

.clients-title-overlay {
  position: absolute;
  top: 6%;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  white-space: nowrap;
  z-index: 1;
  padding-bottom: var(--spacing-4);
}

.clients-title-overlay::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.clients-logo-img {
  display: block;
  width: 100%;
  height: auto;
}

/* ════════════════════════════════════════════
   最新动态 Section
   ════════════════════════════════════════════ */
.news-section {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.news-section-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--spacing-8);
}

.news-section-hd .section-title {
  margin-bottom: var(--spacing-2);
}

.news-all-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
  padding-bottom: var(--spacing-1);
  transition: gap var(--transition-fast);
}

.news-all-link:hover {
  gap: var(--spacing-3);
}

.news-all-link svg {
  width: 14px;
  height: 14px;
}

/* 网格：单行 4 列等宽 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-5);
}

/* 普通卡片 */
.news-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(67, 100, 247, 0.12);
  border-color: rgba(67, 100, 247, 0.25);
}

/* 特色卡（保留 class 兼容） */
.news-card--featured {
  flex-direction: column;
}

.news-card-visual {
  position: relative;
  height: 160px;
  background: linear-gradient(135deg, #0052D4 0%, #4364F7 50%, #6FB1FC 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.news-card-visual--cover {
  background-size: cover;
  background-position: center;
}

/* 普通卡片封面缩略图 */
.news-card-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  background-color: var(--color-bg-alt);
  flex-shrink: 0;
}

.news-card-thumb--placeholder {
  background: linear-gradient(135deg, #4364F7 0%, #6FB1FC 100%);
}

.news-card-visual-glow {
  position: absolute;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  filter: blur(40px);
  top: -40px;
  right: -40px;
}

.news-card-visual-icon {
  width: 64px;
  height: 64px;
  position: relative;
  z-index: 1;
}

.news-card-body {
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card--featured .news-card-body {
  padding: var(--spacing-6);
}

.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-3);
}

/* 分类标签 */
.news-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.3px;
}

.news-tag--product {
  background: rgba(67, 100, 247, 0.1);
  color: var(--color-primary);
}

.news-tag--insight {
  background: rgba(124, 58, 237, 0.1);
  color: #7C3AED;
}

.news-tag--case {
  background: rgba(5, 150, 105, 0.1);
  color: #059669;
}

.news-tag--company {
  background: rgba(245, 158, 11, 0.12);
  color: #D97706;
}

.news-tag--event {
  background: rgba(6, 182, 212, 0.1);
  color: #0891B2;
}

.news-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.news-card-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.5;
  margin-bottom: var(--spacing-2);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card--featured .news-card-title {
  font-size: var(--font-size-lg);
  -webkit-line-clamp: 3;
}

.news-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--spacing-4);
}

.news-card-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: auto;
  transition: gap var(--transition-fast);
}

.news-card-more:hover {
  gap: 7px;
}

.news-card-more svg {
  width: 12px;
  height: 12px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .news-section-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  .news-grid {
    grid-template-columns: 1fr;
  }
}

/* ════════════════════════════════════════════
   CTA Section
   ════════════════════════════════════════════ */
.cta-section {
  background: linear-gradient(135deg, #0a1628 0%, #162d5a 100%);
  position: relative;
  overflow: visible;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  right: -100px;
  top: -100px;
  background: rgba(67, 100, 247, 0.12);
  border-radius: 50%;
  filter: blur(80px);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-8);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: var(--font-size-xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-2);
}

.cta-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse-dim);
}

/* CTA Popover */
.cta-popover-wrap {
  position: relative;
  display: inline-block;
}

.cta-popover {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 10;
  text-align: center;
  min-width: 220px;
}

.cta-popover.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.cta-popover-arrow {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--color-bg);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-popover-qr {
  display: block;
  margin: 0 auto var(--spacing-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.cta-popover-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.cta-popover-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
}

.cta-popover-icon {
  width: 16px;
  height: 16px;
  stroke: var(--color-primary);
  flex-shrink: 0;
}

.cta-popover-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.cta-popover-link:hover {
  color: var(--color-primary);
}

/* ════════════════════════════════════════════
   右侧悬浮联系栏
   ════════════════════════════════════════════ */
.float-sidebar {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  background: #ffffff;
  border-radius: 40px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.06);
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 68px;
}

.float-sidebar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 10px 6px;
  cursor: pointer;
  width: 100%;
  border: none;
  background: transparent;
  transition: background var(--transition-fast);
  position: relative;
}

.float-sidebar-item:hover {
  background: rgba(67, 100, 247, 0.06);
}

.float-sidebar-item:first-child {
  border-radius: 32px 32px 0 0;
}

.float-sidebar-item:last-child {
  border-radius: 0 0 32px 32px;
}

.float-sidebar-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0052D4, #6FB1FC);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.float-sidebar-item:hover .float-sidebar-icon {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(67, 100, 247, 0.4);
}

.float-sidebar-icon svg {
  width: 20px;
  height: 20px;
}

.float-sidebar-label {
  font-size: 10px;
  color: var(--color-text-muted);
  white-space: nowrap;
  line-height: 1;
}

.float-sidebar-divider {
  width: 36px;
  height: 1px;
  background: var(--color-border);
  margin: 0 auto;
}

/* 悬浮栏弹层 */
.float-sidebar-popover {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14);
  padding: var(--spacing-4);
  width: 200px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10;
}

.float-sidebar-popover.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

.float-sidebar-popover-qr {
  display: block;
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-3);
  border-radius: var(--radius-md);
}

.float-sidebar-popover-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
}

.float-sidebar-popover-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.float-sidebar-popover-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.float-sidebar-popover-link:hover {
  color: var(--color-primary);
}

/* 手机端隐藏 */
@media (max-width: 768px) {
  .float-sidebar {
    display: none;
  }
}

/* ════════════════════════════════════════════
   Scroll Reveal 动画
   ════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════ */
.site-footer {
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  padding: var(--spacing-12) 0 var(--spacing-6);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr 1fr;
  gap: var(--spacing-10);
  padding-bottom: var(--spacing-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--spacing-4);
}

/* Footer 栏目 */
.footer-col-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-4);
  letter-spacing: 0.3px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer-links--grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2) var(--spacing-4);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-end);
}

/* 联系方式 */
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-3);
}

.footer-contact-icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.footer-contact-icon svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary-end);
}

.footer-contact-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse-muted);
}

.footer-contact-text a {
  transition: color var(--transition-fast);
}

.footer-contact-text a:hover {
  color: var(--color-primary-end);
}

/* Footer 底部 */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-inverse-faint);
}

.footer-icp {
  color: var(--color-text-inverse-faint);
  text-decoration: none;
  margin-left: var(--spacing-2);
}

.footer-icp:hover {
  color: var(--color-text-inverse);
}

.footer-back-top {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-inverse-muted);
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.footer-back-top:hover {
  color: var(--color-primary-end);
  border-color: var(--color-primary-end);
  background: rgba(111, 177, 252, 0.06);
}

.footer-back-top svg {
  width: 12px;
  height: 12px;
}

/* ════════════════════════════════════════════
   页面主体 padding（为固定 header 腾出空间）
   ════════════════════════════════════════════ */
.page-body {
  padding-top: var(--header-height);
}

/* ════════════════════════════════════════════
   响应式 — Tablet (≤ 1024px)
   ════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

}

/* ════════════════════════════════════════════
   响应式 — Mobile (≤ 768px)
   ════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }

  /* Header */
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  /* Hero */
  .hero-inner {
    flex-direction: column;
  }

  .hero-visual {
    display: none;
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .hero-tagline {
    font-size: var(--font-size-lg);
  }

  .hero-glow-1 {
    width: 250px;
    height: 250px;
  }
  .hero-glow-2 {
    width: 200px;
    height: 200px;
  }
  .hero-grid-lines {
    background-size: 40px 40px;
  }

  /* StarPlex - no mobile override needed */

  /* Modules */
  .modules-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
  }

  /* Cases */
  .cases-cards {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-inner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .cta-popover-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  .cta-popover {
    min-width: 200px;
  }

  /* Footer */
  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* ════════════════════════════════════════════
   星核产品页 — 新质生产力闭环（深色背景）
   ════════════════════════════════════════════ */
.sc-loop-section {
  background: #0A0E1A;
  position: relative;
  overflow: hidden;
  padding: var(--spacing-12) 0;
}
.sc-loop-bg { position: absolute; inset: 0; pointer-events: none; }
.sc-loop-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(88,126,230,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88,126,230,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
}
.sc-loop-bg-glow {
  position: absolute; width: 500px; height: 500px;
  background: rgba(88,126,230,0.06); border-radius: 50%;
  filter: blur(120px); top: 50%; left: 50%; transform: translate(-50%, -50%);
}

.sc-loop-header { text-align: center; margin-bottom: var(--spacing-6); }
.sc-loop-title {
  font-size: 2rem; font-weight: 700; color: #fff;
  margin-bottom: var(--spacing-2);
  text-shadow: 0 0 20px rgba(88,126,230,0.4);
}
.sc-loop-subtitle { font-size: var(--font-size-base); color: rgba(255,255,255,0.55); }

.sc-loop-wrapper { position: relative; max-width: 900px; height: 640px; margin: 0 auto; }
.sc-loop-svg { position: absolute; inset: 0; width: 100%; height: 100%; }

/* 4张环节卡片 */
.sc-loop-card {
  position: absolute; width: 255px;
  background: linear-gradient(135deg, rgba(88,126,230,0.06) 0%, rgba(15,23,42,0.7) 100%), rgba(15,23,42,0.7);
  border: 1.5px solid rgba(88,126,230,0.3);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  backdrop-filter: blur(12px);
  transition: all 0.3s ease; z-index: 2;
  box-shadow: 0 0 16px rgba(88,126,230,0.15), 0 4px 16px rgba(0,0,0,0.25);
}
.sc-loop-card:hover {
  background: rgba(88,126,230,0.12);
  border-color: rgba(88,126,230,0.55);
  transform: translateY(-4px);
  box-shadow: 0 0 28px rgba(88,126,230,0.25), 0 8px 32px rgba(0,0,0,0.3);
}
.sc-loop-card[data-pos="top-left"] { top: 10px; left: 3%; }
.sc-loop-card[data-pos="top-right"] { top: 10px; right: 3%; }
.sc-loop-card[data-pos="bottom-right"] { bottom: 10px; right: 3%; }
.sc-loop-card[data-pos="bottom-left"] { bottom: 10px; left: 3%; }

.sc-loop-card-head { display: flex; align-items: center; gap: var(--spacing-2); margin-bottom: var(--spacing-2); }
.sc-loop-card-icon { width: 28px; height: 28px; color: #587EE6; flex-shrink: 0; }
.sc-loop-card-title { font-size: var(--font-size-base); font-weight: 700; color: #fff; }
.sc-loop-card-sub {
  font-size: 12px; color: rgba(255,255,255,0.7); font-weight: 500;
  margin-bottom: var(--spacing-2); padding-bottom: var(--spacing-2);
  border-bottom: 1px dashed rgba(88,126,230,0.2);
}
.sc-loop-card-list { list-style: none; padding: 0; margin: 0 0 var(--spacing-2) 0; }
.sc-loop-card-list li {
  font-size: 12px; color: rgba(255,255,255,0.8); line-height: 1.6;
  padding: 4px 0 4px 12px; position: relative;
}
.sc-loop-card-list li::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 4px; height: 4px; border-radius: 50%;
  background: #587EE6; opacity: 0.5;
}
.sc-loop-card-list li strong { color: #6FB1FC; font-weight: 600; }
.sc-loop-card-value {
  font-size: 11px; color: rgba(255,255,255,0.85); font-weight: 500;
  background: rgba(88,126,230,0.15);
  border: 1px solid rgba(88,126,230,0.2);
  border-radius: var(--radius-md); padding: 4px 10px;
  display: block; line-height: 1.5;
}
/* 中心核心（HTML叠加在SVG上） */
.sc-loop-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 3;
  width: 280px;
}
.sc-loop-center-glow {
  position: absolute;
  inset: -30px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(88,126,230,0.15) 0%, transparent 70%);
  animation: sc-center-pulse 4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes sc-center-pulse {
  0%, 100% { opacity: 0.6; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
}
.sc-loop-center-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  text-shadow: 0 0 16px rgba(88,126,230,0.5);
  position: relative;
}
.sc-loop-center-flow {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 10px;
  position: relative;
}
.sc-loop-center-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
  position: relative;
}
.sc-loop-center-points span {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

/* ════════════════════════════════════════════
   星境产品页 — AI原生驱动运营中枢引擎
   ════════════════════════════════════════════ */
.sr-engine-section {
  background: linear-gradient(180deg, #141d35 0%, #1b2846 60%, #1f3056 100%);
  position: relative;
  overflow: hidden;
  padding: var(--spacing-12) 0 var(--spacing-16);
}
.sr-engine-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.sr-engine-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(88,126,230,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88,126,230,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.sr-engine-bg-glow {
  position: absolute;
  top: -20%; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(67,100,247,0.12) 0%, transparent 70%);
}

/* 标题 */
.sr-engine-header {
  text-align: center;
  margin-bottom: var(--spacing-4);
}
.sr-engine-title {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}

/* SVG 连接可视化 */
.sr-engine-visual {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}
.sr-engine-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* 4列柱状网格 */
.sr-engine-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-5);
  max-width: 1100px;
  margin: 0 auto;
}

/* 单柱 */
.sr-engine-pillar {
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(88,126,230,0.08) 0%, rgba(10,14,26,0.9) 100%);
  border: 1px solid rgba(88,126,230,0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.sr-engine-pillar:hover {
  border-color: rgba(88,126,230,0.45);
  box-shadow: 0 0 24px rgba(88,126,230,0.15);
}

/* 柱顶卡片 */
.sr-engine-pillar-header {
  padding: var(--spacing-4) var(--spacing-4) var(--spacing-3);
  border-bottom: 1px solid rgba(88,126,230,0.15);
  background: linear-gradient(135deg, rgba(88,126,230,0.1) 0%, transparent 100%);
}
.sr-engine-pillar-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
  line-height: 1.3;
}
.sr-engine-pillar-desc {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.4;
}

/* 技术列表 */
.sr-engine-pillar-list {
  list-style: none;
  padding: var(--spacing-4);
  margin: 0;
  flex: 1;
}
.sr-engine-pillar-list li {
  position: relative;
  padding: 5px 0 5px 16px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}
.sr-engine-pillar-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 11px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: rgba(88,126,230,0.6);
}
.sr-engine-pillar-list li strong {
  color: #6FB1FC;
  font-weight: 600;
}

/* 底部层名标签 */
.sr-engine-pillar-label {
  text-align: center;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(180deg, transparent 0%, rgba(88,126,230,0.18) 100%);
  border-top: 1px solid rgba(88,126,230,0.15);
  text-shadow: 0 0 12px rgba(88,126,230,0.5);
}

/* 响应式 */
@media (max-width: 1024px) {
  .sr-engine-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
  }
  .sr-engine-svg { display: none; }
}
@media (max-width: 768px) {
  .sr-engine-grid {
    grid-template-columns: 1fr;
  }
  .sr-engine-section {
    padding: var(--spacing-8) 0 var(--spacing-10);
  }
}

/* ════════════════════════════════════════════
   星流产品页 — 天工™演进时间轴（浅色背景）
   ════════════════════════════════════════════ */
.sf-evo-section {
  background: var(--color-bg-alt);
  position: relative;
  padding: var(--spacing-12) 0 var(--spacing-16);
}

.sf-evo-header {
  text-align: center;
  margin-bottom: var(--spacing-10);
}
.sf-evo-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}
.sf-evo-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* 柱状图 */
.sf-evo-chart {
  max-width: 960px;
  margin: 0 auto;
}
.sf-evo-bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-4);
  align-items: flex-end;
  height: 420px;
  border-bottom: 2px solid rgba(67,100,247,0.12);
  padding-bottom: var(--spacing-4);
}
.sf-evo-bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  text-align: center;
}
.sf-evo-bar-pct {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--bar-color, #4364F7);
  margin-bottom: 6px;
}
.sf-evo-bar-item--final .sf-evo-bar-pct {
  font-size: 1.5rem;
  background: linear-gradient(135deg, #00E5FF, #6FB1FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 6px rgba(0,229,255,0.4));
}
.sf-evo-bar {
  width: 65%;
  height: var(--bar-height, 50%);
  background: linear-gradient(180deg, rgba(255,255,255,0.25), var(--bar-color), rgba(67,100,247,0.15));
  border-radius: 6px 6px 0 0;
  transition: all 0.3s ease;
  box-shadow: 4px 0 8px rgba(0,0,0,0.06);
  min-height: 12px;
  position: relative;
}
/* 3D侧面效果 */
.sf-evo-bar::after {
  content: '';
  position: absolute;
  top: 4px;
  right: -8px;
  width: 8px;
  height: calc(100% - 4px);
  background: linear-gradient(180deg, rgba(255,255,255,0.1), var(--bar-color));
  border-radius: 0 4px 4px 0;
  opacity: 0.5;
  filter: brightness(0.7);
}
.sf-evo-bar-item:hover .sf-evo-bar {
  transform: scaleY(1.05);
  transform-origin: bottom;
  box-shadow: 0 0 24px rgba(67,100,247,0.2);
}
.sf-evo-bar-item--final .sf-evo-bar {
  animation: sfe-bar-glow 2s ease-in-out infinite;
}
@keyframes sfe-bar-glow {
  0%, 100% { box-shadow: 0 0 12px rgba(0,229,255,0.15); }
  50% { box-shadow: 0 0 28px rgba(0,229,255,0.35); }
}
.sf-evo-bar-name {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-top: var(--spacing-3);
  margin-bottom: 2px;
}
.sf-evo-bar-desc {
  font-size: 11px;
  color: var(--color-text-muted);
  line-height: 1.4;
}
.sf-evo-bar-desc strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* ════════════════════════════════════════════
   星链产品页 — 数据中枢模块（深色背景）
   ════════════════════════════════════════════ */
.sl-hub-section {
  background: #0A0E1A;
  position: relative;
  overflow: hidden;
  padding: var(--spacing-12) 0;
}
.sl-hub-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.sl-hub-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(67,100,247,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67,100,247,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 20%, transparent 70%);
}
.sl-hub-bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}
.sl-hub-bg-glow-1 {
  width: 500px; height: 500px;
  top: -100px; left: -150px;
  background: rgba(67,100,247,0.06);
}
.sl-hub-bg-glow-2 {
  width: 400px; height: 400px;
  bottom: -80px; right: -100px;
  background: rgba(99,180,252,0.04);
}

/* 标题 */
.sl-hub-header {
  text-align: center;
  margin-bottom: var(--spacing-6);
}
.sl-hub-title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing-2);
  text-shadow: 0 0 20px rgba(67,100,247,0.4);
}
.sl-hub-subtitle {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.55);
}

/* 轨道容器 */
.sl-hub-orbit {
  position: relative;
  max-width: 900px;
  height: 500px;
  margin: 0 auto var(--spacing-6);
}
.sl-hub-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* 中心核心 — 大 AI 字 + SMART HUB + 3 指标 */
.sl-hub-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 240px;
  text-align: center;
  z-index: 3;
  pointer-events: none;
}
.sl-hub-core-ai {
  font-size: 62px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: 2px;
  text-shadow:
    0 0 14px rgba(111,177,252,0.95),
    0 0 28px rgba(67,100,247,0.7),
    0 0 48px rgba(67,100,247,0.4);
  animation: slh-ai-breath 3.5s ease-in-out infinite;
}
@keyframes slh-ai-breath {
  0%, 100% { text-shadow: 0 0 14px rgba(111,177,252,0.95), 0 0 28px rgba(67,100,247,0.7), 0 0 48px rgba(67,100,247,0.4); }
  50%      { text-shadow: 0 0 20px rgba(111,177,252,1),    0 0 40px rgba(67,100,247,0.85), 0 0 64px rgba(67,100,247,0.5); }
}
.sl-hub-core-tag {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 5px;
  color: rgba(111,177,252,0.9);
  margin-bottom: 18px;
  text-transform: uppercase;
  text-shadow: 0 0 8px rgba(67,100,247,0.5);
}
.sl-hub-core-metrics {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.sl-hub-core-metrics li {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  line-height: 1.2;
  white-space: nowrap;
}
.sl-hub-core-metrics li strong {
  color: #fff;
  font-weight: 800;
  font-size: 24px;
  text-shadow: 0 0 10px rgba(111,177,252,0.6);
  letter-spacing: 0.5px;
}
.sl-hub-core-metrics li span {
  color: rgba(255,255,255,0.65);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* 轨道虚线流动 */
.slh-orbit-ring {
  animation: slh-orbit-flow 30s linear infinite;
  transform-origin: 450px 250px;
}
@keyframes slh-orbit-flow {
  to { stroke-dashoffset: -280; }
}

/* 数据源气泡 — 品牌蓝线框 */
.sl-hub-tag {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 98px;
  height: 98px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: rgba(10, 18, 38, 0.62);
  border: 1.5px solid rgba(111, 177, 252, 0.55);
  border-radius: 50%;
  backdrop-filter: blur(10px);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 2;
  box-shadow:
    0 0 22px rgba(67, 100, 247, 0.28),
    inset 0 0 14px rgba(111, 177, 252, 0.1);
}

.sl-hub-tag-icon {
  width: 26px;
  height: 26px;
  color: #6FB1FC;
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 5px rgba(111, 177, 252, 0.55));
}
.sl-hub-tag-icon svg {
  width: 100%;
  height: 100%;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sl-hub-tag-label {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.94);
  line-height: 1.25;
  letter-spacing: 0.2px;
  padding: 0 6px;
  max-width: 90%;
}

.sl-hub-tag:hover {
  background: rgba(20, 35, 78, 0.88);
  border-color: rgba(111, 177, 252, 0.95);
  box-shadow:
    0 0 40px rgba(67, 100, 247, 0.6),
    inset 0 0 22px rgba(111, 177, 252, 0.22);
  transform: translate(-50%, -50%) scale(1.08);
}
.sl-hub-tag:hover .sl-hub-tag-icon {
  filter: drop-shadow(0 0 10px rgba(111, 177, 252, 0.95));
  color: #fff;
}

/* 气泡浮动 — 每个独立时序 */
.sl-hub-tag--1  { animation: slh-float 6s ease-in-out infinite;      }
.sl-hub-tag--2  { animation: slh-float 5.4s ease-in-out -0.8s infinite; }
.sl-hub-tag--3  { animation: slh-float 6.6s ease-in-out -1.6s infinite; }
.sl-hub-tag--4  { animation: slh-float 5.8s ease-in-out -2.4s infinite; }
.sl-hub-tag--5  { animation: slh-float 6.2s ease-in-out -3.2s infinite; }
.sl-hub-tag--6  { animation: slh-float 5.2s ease-in-out -4s infinite; }
.sl-hub-tag--7  { animation: slh-float 6.4s ease-in-out -4.8s infinite; }
.sl-hub-tag--8  { animation: slh-float 5.6s ease-in-out -0.4s infinite; }
.sl-hub-tag--9  { animation: slh-float 6s ease-in-out -2s infinite; }
.sl-hub-tag--10 { animation: slh-float 5.4s ease-in-out -3.6s infinite; }
.sl-hub-tag--11 { animation: slh-float 6.6s ease-in-out -1.2s infinite; }
.sl-hub-tag--12 { animation: slh-float 5.8s ease-in-out -2.8s infinite; }

@keyframes slh-float {
  0%, 100% { transform: translate(-50%, -50%) translateY(0); }
  50%      { transform: translate(-50%, -50%) translateY(-5px); }
}

/* 12 气泡位置 — 单圆 r=220 在 900x500 viewBox
   rx=220/900≈24.44%  ry=220/500=44%  center 50%,50% */
.sl-hub-tag--1  { top: 50%;   left: 74.44%; }  /* 0°   右 */
.sl-hub-tag--2  { top: 72%;   left: 71.17%; }  /* 30°  右下 */
.sl-hub-tag--3  { top: 88.1%; left: 62.22%; }  /* 60°  下右 */
.sl-hub-tag--4  { top: 94%;   left: 50%;    }  /* 90°  底 */
.sl-hub-tag--5  { top: 88.1%; left: 37.78%; }  /* 120° 下左 */
.sl-hub-tag--6  { top: 72%;   left: 28.83%; }  /* 150° 左下 */
.sl-hub-tag--7  { top: 50%;   left: 25.56%; }  /* 180° 左 */
.sl-hub-tag--8  { top: 28%;   left: 28.83%; }  /* 210° 左上 */
.sl-hub-tag--9  { top: 11.9%; left: 37.78%; }  /* 240° 上左 */
.sl-hub-tag--10 { top: 6%;    left: 50%;    }  /* 270° 顶 */
.sl-hub-tag--11 { top: 11.9%; left: 62.22%; }  /* 300° 上右 */
.sl-hub-tag--12 { top: 28%;   left: 71.17%; }  /* 330° 右上 */

/* 保留旧类位置不生效（防止缓存残留） */
.sl-hub-metric {
  text-align: center;
  padding: var(--spacing-4) var(--spacing-5);
  background: rgba(67,100,247,0.06);
  border: 1px solid rgba(67,100,247,0.12);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  min-width: 140px;
}
.sl-hub-metric:hover {
  background: rgba(67,100,247,0.12);
  border-color: rgba(67,100,247,0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(67,100,247,0.2);
}
.sl-hub-metric-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, #6FB1FC, #4364F7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.sl-hub-metric-label {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

/* 4大AI能力卡片 */
.sl-hub-capabilities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-5);
}
.sl-hub-cap-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(67,100,247,0.15);
  border-left: 3px solid #4364F7;
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.sl-hub-cap-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(67,100,247,0.08) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.sl-hub-cap-card:hover::before {
  opacity: 1;
}
.sl-hub-cap-card:hover {
  background: rgba(67,100,247,0.08);
  border-color: rgba(67,100,247,0.35);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(67,100,247,0.2);
}
.sl-hub-cap-num {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 1.75rem;
  font-weight: 800;
  color: #4364F7;
  opacity: 0.2;
  line-height: 1;
}
.sl-hub-cap-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--spacing-3);
  letter-spacing: 0.3px;
}
.sl-hub-cap-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sl-hub-cap-list li {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
  padding: 3px 0 3px 14px;
  position: relative;
}
.sl-hub-cap-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #4364F7;
  opacity: 0.5;
}
.sl-hub-cap-list li strong {
  color: #6FB1FC;
  font-weight: 600;
}

/* ════════════════════════════════════════════
   无障碍 — 减弱动效（用户系统偏好）
   ════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-particles span {
    animation: none;
  }
}