/* ========================================
   四川侨晟科技有限公司 官网
   页面特定样式
   ======================================== */

/* ========== 通用页面样式 ========== */
.section {
  padding: var(--spacing-16) var(--spacing-4);
  position: relative;
  z-index: 1;
}

.section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(124, 77, 255, 0.12), transparent 45%), radial-gradient(circle at 80% 10%, rgba(0, 188, 212, 0.1), transparent 50%);
  opacity: 0.75;
  pointer-events: none;
}

.section > .container,
.section > div > .container {
  position: relative;
  z-index: 1;
}

.section-light {
  background: linear-gradient(135deg, rgba(124, 77, 255, 0.08), rgba(0, 188, 212, 0.05));
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.section-dark {
  background: linear-gradient(135deg, rgba(16, 20, 45, 0.95), rgba(10, 13, 28, 0.92));
  color: var(--color-white);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
  color: var(--color-white);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-8);
  max-width: 600px;
}

/* ========== 页面头部横幅 ========== */
.page-banner {
  background: radial-gradient(circle at 20% 20%, rgba(124, 77, 255, 0.35), rgba(16, 20, 45, 0.95)), linear-gradient(135deg, rgba(8, 12, 26, 0.95), rgba(10, 20, 38, 0.9));
  color: var(--color-white);
  padding: var(--spacing-16) var(--spacing-4);
  text-align: center;
  margin-top: 90px;
  position: relative;
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
}

.page-banner h1 {
  color: var(--color-white);
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-4);
  position: relative;
  z-index: 1;
}

.page-banner p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-4);
}

.breadcrumb li {
  margin: 0;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
  color: var(--color-white);
}

.breadcrumb .separator {
  color: rgba(255, 255, 255, 0.6);
}

/* ========== 首页：未来科技主题 ========== */
.section-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-8);
}

.section-header.center {
  align-items: center;
  text-align: center;
}

.section-header .badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  background: rgba(0, 188, 212, 0.12);
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  padding: var(--spacing-24) 0 var(--spacing-20);
  min-height: calc(100vh - 90px);
  overflow: hidden;
}

#hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: block;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(124, 77, 255, 0.2), transparent 50%), radial-gradient(circle at 80% 10%, rgba(0, 188, 212, 0.16), transparent 55%);
  z-index: 0;
}

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

.hero-grid {
  display: grid;
  gap: var(--spacing-12);
  align-items: center;
}

.hero-text {
  max-width: 700px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  background: rgba(124, 77, 255, 0.18);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-4);
}

.hero-eyebrow span {
  display: inline-flex;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
  box-shadow: 0 0 12px rgba(0, 188, 212, 0.8);
}

.hero h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  margin-bottom: var(--spacing-4);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-6);
  max-width: 580px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(124, 77, 255, 0.25);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  align-items: center;
}

.hero-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-white);
}

.hero-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
}

.hero-stats {
  display: grid;
  gap: var(--spacing-6);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: var(--spacing-12);
}

.stat-card {
  background: rgba(11, 14, 32, 0.85);
  border: 1px solid rgba(124, 77, 255, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  box-shadow: 0 18px 42px rgba(8, 10, 20, 0.4);
  backdrop-filter: blur(12px);
}

.stat-value {
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

.stat-label {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-illustration {
  position: relative;
  padding: var(--spacing-8);
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, rgba(124, 77, 255, 0.12), rgba(0, 188, 212, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 40px rgba(124, 77, 255, 0.12);
}

.hero-illustration::after {
  content: '';
  position: absolute;
  inset: var(--spacing-4);
  border-radius: inherit;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.hero-illustration img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 45px rgba(8, 10, 20, 0.45);
}

.hero-illustration .orb {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 188, 212, 0.65), rgba(0, 188, 212, 0));
  filter: blur(0px);
  opacity: 0.75;
  animation: pulse 6s ease-in-out infinite;
}

.hero-illustration .orb.orb-top {
  top: -40px;
  right: 30px;
}

.hero-illustration .orb.orb-bottom {
  bottom: -50px;
  left: 20px;
  background: radial-gradient(circle, rgba(124, 77, 255, 0.65), rgba(124, 77, 255, 0));
  animation-delay: 2s;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(0.9);
    opacity: 0.55;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.9;
  }
}

.product-matrix .section-header.center {
  align-items: center;
  text-align: center;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-6);
}

.product-card {
  position: relative;
  padding: var(--spacing-6);
  border-radius: var(--radius-2xl);
  background: radial-gradient(circle at 20% 20%, rgba(124, 77, 255, 0.16), rgba(20, 25, 46, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 60px rgba(8, 10, 20, 0.45);
}

.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(0, 188, 212, 0.18), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.product-card:hover::after {
  opacity: 1;
}

.product-icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 1.75rem;
  margin-bottom: var(--spacing-4);
  box-shadow: 0 10px 25px rgba(124, 77, 255, 0.25);
}

.product-card h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-3);
}

.product-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
}

.product-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.product-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.product-features li::before {
  content: '▹';
  color: var(--color-secondary);
  font-size: var(--font-size-lg);
}

.product-footer {
  margin-top: var(--spacing-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.product-footer a {
  color: var(--color-secondary);
}

.solutions-showcase {
  display: grid;
  gap: var(--spacing-6);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.solution-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  min-height: 320px;
  background: rgba(14, 18, 40, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-6);
  color: var(--color-white);
  box-shadow: 0 25px 60px rgba(8, 10, 20, 0.45);
}

.solution-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.solution-card:hover img {
  transform: scale(1.05);
  opacity: 0.55;
}

.solution-card h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-2);
  position: relative;
  z-index: 1;
}

.solution-card p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.75);
}

.solution-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
  position: relative;
  z-index: 1;
}

.solution-badge {
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius-lg);
  background: rgba(0, 188, 212, 0.18);
  color: var(--color-white);
  font-size: var(--font-size-sm);
}

.experience-grid {
  display: grid;
  gap: var(--spacing-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: var(--spacing-8);
}

.experience-card {
  background: rgba(13, 17, 36, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  position: relative;
  overflow: hidden;
}

.experience-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 15%, rgba(255, 64, 129, 0.18), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.experience-card:hover::after {
  opacity: 1;
}

.experience-card h4 {
  color: var(--color-white);
  font-size: var(--font-size-xl);
}

.experience-card p {
  color: var(--color-text-secondary);
}

.experience-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.news-ticker {
  position: relative;
  background: rgba(14, 18, 40, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  padding: var(--spacing-4) 0;
  box-shadow: 0 20px 40px rgba(8, 10, 20, 0.45);
}

.news-ticker::before,
.news-ticker::after {
  content: '';
  position: absolute;
  top: 0;
  width: 100px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.news-ticker::before {
  left: 0;
  background: linear-gradient(90deg, rgba(14, 18, 40, 1), rgba(14, 18, 40, 0));
}

.news-ticker::after {
  right: 0;
  background: linear-gradient(270deg, rgba(14, 18, 40, 1), rgba(14, 18, 40, 0));
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
  animation: ticker 28s linear infinite;
  width: max-content;
}

.ticker-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  padding: 0 var(--spacing-6);
  min-width: 320px;
  color: var(--color-text-secondary);
}

.ticker-item strong {
  color: var(--color-white);
  font-size: var(--font-size-base);
}

@keyframes ticker {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ========== 产品与服务页面 ========== */
.product-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.demo-simulator {
  position: relative;
  border-radius: var(--radius-2xl);
  background: radial-gradient(circle at 25% 25%, rgba(124, 77, 255, 0.2), rgba(12, 16, 34, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  min-height: 440px;
  box-shadow: 0 30px 60px rgba(4, 6, 16, 0.55);
}

#webgl-demo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.demo-overlay {
  position: relative;
  display: grid;
  gap: var(--spacing-6);
  padding: var(--spacing-8);
  z-index: 1;
  min-height: inherit;
}

.demo-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-4);
}

.demo-stat {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--spacing-4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.06);
}

.demo-stat span {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.demo-stat strong {
  display: block;
  margin-top: var(--spacing-2);
  font-size: var(--font-size-3xl);
  color: var(--color-white);
}

.demo-info {
  max-width: 520px;
}

.demo-info h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-3);
}

.demo-info p {
  color: var(--color-text-secondary);
}

.demo-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
}

.demo-controls .btn {
  border-radius: var(--radius-full);
  padding-inline: var(--spacing-4);
}

.demo-controls .btn.is-active {
  background: linear-gradient(135deg, rgba(124, 77, 255, 0.95), rgba(0, 188, 212, 0.95));
  color: var(--color-white);
  box-shadow: 0 12px 30px rgba(124, 77, 255, 0.35);
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.doc-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.doc-card h3 {
  color: var(--color-white);
}

.doc-card p {
  color: var(--color-text-secondary);
}

.doc-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  color: var(--color-text-secondary);
}

.api-reference {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.api-endpoint {
  background: rgba(12, 16, 34, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

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

.api-endpoint p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
}

.api-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.api-method {
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
}

.api-method.get {
  background: rgba(0, 188, 212, 0.3);
}

.api-method.post {
  background: rgba(124, 77, 255, 0.35);
}

.api-method.ws {
  background: rgba(255, 64, 129, 0.3);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.download-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--spacing-5);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.download-card h3 {
  color: var(--color-white);
}

.download-card p {
  color: var(--color-text-secondary);
}

.download-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.download-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.service-support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-6);
}

.scenario-lab {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.scenario-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.scenario-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: saturate(110%);
}

.scenario-card figcaption {
  background: rgba(12, 16, 34, 0.92);
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.scenario-card h3 {
  color: var(--color-white);
}

.scenario-card p {
  color: var(--color-text-secondary);
}

.scenario-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.case-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-3);
}

.case-header h3 {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  margin: 0;
}

.case-header span {
  background: rgba(0, 188, 212, 0.25);
  border-radius: var(--radius-full);
  padding: var(--spacing-1) var(--spacing-3);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-card p {
  color: var(--color-text-secondary);
}

.case-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.roi-calculator {
  display: grid;
  gap: var(--spacing-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.roi-form {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  display: grid;
  gap: var(--spacing-4);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-group label {
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.form-group input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  color: var(--color-white);
}

.form-group input:focus {
  outline: 2px solid rgba(0, 188, 212, 0.35);
}

.roi-result {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.roi-result h3 {
  color: var(--color-white);
}

.roi-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-4);
}

.roi-metric {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-xl);
  padding: var(--spacing-4);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.roi-metric span {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.06em;
}

.roi-metric strong {
  display: block;
  margin-top: var(--spacing-2);
  font-size: var(--font-size-3xl);
  color: var(--color-white);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-6);
}

.research-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.research-card h3 {
  color: var(--color-white);
}

.research-card p {
  color: var(--color-text-secondary);
}

.research-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.research-tag {
  align-self: flex-start;
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  background: rgba(124, 77, 255, 0.3);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.opensource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.opensource-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.opensource-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-3);
}

.opensource-header h3 {
  color: var(--color-white);
  margin: 0;
}

.opensource-header span {
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--radius-full);
  background: rgba(0, 188, 212, 0.3);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.opensource-card p {
  color: var(--color-text-secondary);
  margin: 0;
}

.opensource-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.opensource-actions {
  display: flex;
  gap: var(--spacing-3);
  align-items: center;
  flex-wrap: wrap;
}

.blog-list {
  display: grid;
  gap: var(--spacing-4);
}

.blog-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-5);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(12, 16, 34, 0.9);
}

.blog-item h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

.blog-item p {
  color: var(--color-text-secondary);
  margin: 0;
}

.community-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-6);
}

.community-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.community-card h3 {
  color: var(--color-white);
}

.community-card p {
  color: var(--color-text-secondary);
}

.community-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-6);
}

.partner-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  align-items: flex-start;
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.partner-card img {
  height: 54px;
  width: auto;
  filter: saturate(110%);
}

.partner-card h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-1);
}

.partner-card p {
  color: var(--color-text-secondary);
}

.partner-card span {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
}

.ecosystem-map {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.ecosystem-map img {
  width: 100%;
  display: block;
}

.map-markers {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.map-marker {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  background: rgba(8, 12, 26, 0.85);
  border: 1px solid rgba(0, 188, 212, 0.35);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2) var(--spacing-3);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  box-shadow: 0 12px 28px rgba(4, 6, 16, 0.45);
}

.map-marker strong {
  font-weight: var(--font-weight-semibold);
}

.certification-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-6);
}

.certification-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.certification-card h3 {
  color: var(--color-white);
}

.certification-card p {
  color: var(--color-text-secondary);
}

.certification-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.innovation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-6);
}

.news-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.news-tile {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
}

.news-tile img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.news-tile div {
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.news-tag {
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-6);
}

.news-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.news-card h3 {
  color: var(--color-white);
}

.news-card p {
  color: var(--color-text-secondary);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.news-item {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-4);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.news-item h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

.news-item p {
  color: var(--color-text-secondary);
  margin: 0;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-6);
}

.tech-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.tech-card h3 {
  color: var(--color-white);
}

.tech-card p {
  color: var(--color-text-secondary);
  margin: 0;
}

.news-subscribe {
  background: radial-gradient(circle at 15% 20%, rgba(124, 77, 255, 0.2), rgba(12, 16, 34, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  display: grid;
  gap: var(--spacing-5);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.subscribe-form {
  display: flex;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

.subscribe-form input {
  flex: 1 1 240px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  color: var(--color-white);
}

.subscribe-form input:focus {
  outline: 2px solid rgba(0, 188, 212, 0.35);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-6);
}

.contact-card {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.contact-card h3 {
  color: var(--color-white);
}

.contact-card p {
  color: var(--color-text-secondary);
}

.contact-card ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(0, 188, 212, 0.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--color-white);
}

.contact-map {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: grid;
}

.contact-map img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.map-info {
  background: rgba(8, 12, 26, 0.8);
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.map-info h3 {
  color: var(--color-white);
}

.map-info ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.contact-form-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-6);
  align-items: start;
}

.contact-form {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
}

.form-row {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1 1 200px;
}

.contact-form select,
.contact-form textarea {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  color: var(--color-white);
}

.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(0, 188, 212, 0.35);
}

.contact-form textarea {
  resize: vertical;
}

.contact-support {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.contact-support h3 {
  color: var(--color-white);
}

.contact-support ul {
  margin: 0;
  padding-left: var(--spacing-5);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-6);
}

.support-card {
  background: rgba(12, 16, 34, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  box-shadow: 0 25px 55px rgba(4, 6, 16, 0.45);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  color: var(--color-text-secondary);
}

.support-card h3 {
  color: var(--color-white);
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-6);
  margin-top: var(--spacing-6);
}

.ai-panel {
  display: grid;
  gap: var(--spacing-6);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.ai-preview {
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  background: radial-gradient(circle at 15% 15%, rgba(124, 77, 255, 0.2), rgba(14, 18, 40, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-height: 280px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.ai-preview h3 {
  color: var(--color-white);
}

.ai-preview p {
  color: var(--color-text-secondary);
}

.ai-preview code {
  background: rgba(0, 188, 212, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3);
  color: var(--color-secondary);
}

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

.ai-feature {
  display: flex;
  gap: var(--spacing-3);
  align-items: flex-start;
  color: var(--color-text-secondary);
}

.ai-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.ai-chat-window {
  background: rgba(12, 16, 34, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
  box-shadow: inset 0 0 20px rgba(124, 77, 255, 0.08);
}

.ai-message {
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

.ai-message strong {
  display: block;
  margin-bottom: var(--spacing-2);
  color: var(--color-white);
}

.ai-message ul {
  margin: var(--spacing-3) 0 0 var(--spacing-4);
  padding: 0;
}

.ai-message.user {
  border-left: 3px solid rgba(0, 188, 212, 0.6);
}

.ai-message.bot {
  border-left: 3px solid rgba(124, 77, 255, 0.6);
}

.ai-quick-actions {
  background: rgba(12, 16, 34, 0.85);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: var(--spacing-5);
}

.ai-quick-actions h3 {
  margin-bottom: var(--spacing-4);
  color: var(--color-white);
}

.cta-section {
  text-align: center;
  background: linear-gradient(135deg, rgba(124, 77, 255, 0.22), rgba(0, 188, 212, 0.18));
  border-radius: var(--radius-2xl);
  padding: var(--spacing-16) var(--spacing-8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 25px 60px rgba(8, 10, 20, 0.45);
}

.cta-section h2 {
  margin-bottom: var(--spacing-4);
}

.cta-section p {
  max-width: 600px;
  margin: 0 auto var(--spacing-6);
  color: var(--color-text-secondary);
}

.section-actions {
  margin-top: var(--spacing-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  align-items: center;
}

.section-actions.center {
  justify-content: center;
}

.badge-dot {
  display: inline-flex;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 0 12px rgba(124, 77, 255, 0.6);
}

.bordered-link {
  display: inline-flex;
  gap: var(--spacing-2);
  align-items: center;
  font-size: var(--font-size-sm);
  letter-spacing: 0.04em;
  color: var(--color-secondary);
}

.bordered-link::after {
  content: '→';
  font-size: var(--font-size-base);
  transition: transform var(--transition-base);
}

.bordered-link:hover::after {
  transform: translateX(4px);
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

@media (max-width: 1024px) {
  .hero {
    padding: var(--spacing-20) 0 var(--spacing-16);
  }

  .hero-actions {
    gap: var(--spacing-3);
  }

  .hero-illustration {
    margin-top: var(--spacing-6);
  }

  .demo-overlay {
    padding: var(--spacing-6);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-16) 0 var(--spacing-14);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .solutions-showcase {
    grid-template-columns: 1fr;
  }

  .ticker-track {
    animation-duration: 36s;
  }

  .demo-overlay {
    padding: var(--spacing-5);
  }

  .demo-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .demo-controls {
    gap: var(--spacing-2);
  }

  .download-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .roi-metrics {
    grid-template-columns: 1fr;
  }

  .opensource-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .blog-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  .news-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .subscribe-form {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-map img {
    height: 280px;
  }

  .form-row {
    flex-direction: column;
  }

  .contact-form {
    padding: var(--spacing-5);
  }
}

/* ========== 内容布局 ========== */
.content-main {
  padding: var(--spacing-12) 0;
}

.content-sidebar {
  background-color: var(--color-gray-100);
  padding: var(--spacing-6);
  border-radius: var(--radius-lg);
  position: sticky;
  top: 90px;
  height: fit-content;
}

.sidebar-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: var(--spacing-3);
}

.sidebar-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-menu li {
  margin: 0;
}

.sidebar-menu a {
  display: block;
  padding: var(--spacing-3) var(--spacing-2);
  color: var(--color-text-primary);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all var(--transition-base);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
  background-color: var(--color-primary-lighter);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  padding-left: var(--spacing-4);
}

/* ========== 时间轴 ========== */
.timeline {
  position: relative;
  padding: var(--spacing-4) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background-color: var(--color-primary);
}

.timeline-item {
  margin-bottom: var(--spacing-8);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 0;
  margin-right: 50%;
  padding-right: var(--spacing-6);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 50%;
  margin-right: 0;
  padding-left: var(--spacing-6);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: var(--color-white);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  z-index: 1;
}

.timeline-content {
  background-color: var(--color-gray-100);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.timeline-year {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

.timeline-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 0;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin-left: 30px;
    margin-right: 0;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }

  .timeline-dot {
    left: 0;
  }
}

/* ========== 团队成员卡片 ========== */
.team-member {
  text-align: center;
  transition: all var(--transition-base);
}

.team-member:hover {
  transform: translateY(-8px);
}

.member-image {
  width: 150px;
  height: 150px;
  margin: 0 auto var(--spacing-4);
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--color-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.member-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2);
  color: var(--color-primary);
}

.member-position {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3);
}

.member-bio {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ========== 产品展示 ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-6);
}

.product-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.product-image {
  width: 100%;
  height: 200px;
  background-color: var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info {
  padding: var(--spacing-4);
}

.product-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2);
  color: var(--color-primary);
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
}

.product-specs {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-4);
}

/* ========== 案例展示 ========== */
.case-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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

.case-image {
  width: 100%;
  height: 250px;
  background-color: var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-content {
  padding: var(--spacing-4);
}

.case-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2);
  color: var(--color-primary);
}

.case-category {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background-color: var(--color-primary-lighter);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  margin-bottom: var(--spacing-3);
}

.case-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-3);
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--color-gray-300);
}

.case-stat {
  text-align: center;
}

.case-stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.case-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* ========== 新闻列表 ========== */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.news-item {
  padding: var(--spacing-6) 0;
  border-bottom: 1px solid var(--color-gray-300);
  display: flex;
  gap: var(--spacing-6);
}

.news-item:last-child {
  border-bottom: none;
}

.news-image {
  width: 200px;
  height: 150px;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-content {
  flex: 1;
}

.news-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2);
}

.news-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2);
  color: var(--color-primary);
}

.news-title a {
  color: var(--color-primary);
  text-decoration: none;
}

.news-title a:hover {
  text-decoration: underline;
}

.news-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-3);
}

.news-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .news-item {
    flex-direction: column;
    gap: var(--spacing-3);
  }

  .news-image {
    width: 100%;
    height: 200px;
  }
}

/* ========== 表单样式 ========== */
.form-group {
  margin-bottom: var(--spacing-6);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
  border-color: var(--color-error);
}

.form-help {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-2);
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--color-error);
  margin-top: var(--spacing-2);
}

/* ========== 响应式调整 ========== */
@media (max-width: 768px) {
  .page-banner {
    margin-top: 60px;
    padding: var(--spacing-12) var(--spacing-4);
  }

  .page-banner h1 {
    font-size: var(--font-size-3xl);
  }

  .content-sidebar {
    position: static;
    margin-top: var(--spacing-6);
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-4);
  }

  .section {
    padding: var(--spacing-12) var(--spacing-4);
  }
}

@media (max-width: 640px) {
  .page-banner h1 {
    font-size: var(--font-size-2xl);
  }

  .page-banner p {
    font-size: var(--font-size-base);
  }

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

  .news-item {
    padding: var(--spacing-4) 0;
  }

  .demo-stats {
    grid-template-columns: 1fr;
  }

  .demo-controls .btn {
    width: 100%;
  }

  .api-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .download-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .opensource-actions .btn {
    width: 100%;
  }

  .subscribe-form .btn {
    width: 100%;
  }
}