/* ========================================
   西安欣创电子技术有限公司官网
   首页专用样式 (LCARS主题)
   ======================================== */

/* ===== Hero Banner 区域 ===== */
.hero-banner {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--grid-gap);
  align-items: center;
  margin: var(--spacing-4xl) auto var(--spacing-3xl);
  max-width: var(--grid-max-width);
  padding: var(--spacing-3xl);
  border-radius: var(--border-radius-lcars);
  background: linear-gradient(135deg, rgba(10, 15, 31, 0.85) 0%, rgba(16, 23, 51, 0.75) 45%, rgba(10, 15, 31, 0.9) 100%);
  border: var(--border-width) solid rgba(255, 156, 84, 0.35);
  box-shadow: var(--box-shadow-md);
  overflow: hidden;
}

.hero-banner::before {
  content: "";
  position: absolute;
  top: -60px;
  left: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 156, 84, 0.55), transparent 70%);
  opacity: 0.7;
}

.hero-banner::after {
  content: "";
  position: absolute;
  bottom: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 209, 255, 0.55), transparent 70%);
  opacity: 0.8;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.hero-content h1 {
  margin-bottom: 0;
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.05;
  text-transform: uppercase;
}

.hero-content p {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 520px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.hero-meta .badge {
  background: rgba(94, 209, 255, 0.2);
  border: 1px solid rgba(94, 209, 255, 0.4);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.hero-image {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: var(--border-width) solid rgba(94, 209, 255, 0.25);
  box-shadow: var(--box-shadow-sm);
}

.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(94, 209, 255, 0.25), rgba(4, 7, 18, 0.6));
  mix-blend-mode: screen;
}

.hero-image img {
  border-radius: 0;
}

.lcars-status-bar {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.lcars-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(10, 15, 31, 0.65);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  border: 1px solid rgba(255, 156, 84, 0.35);
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.lcars-status::before {
  content: "◉";
  color: var(--color-secondary);
  text-shadow: 0 0 12px currentColor;
}

/* ===== 核心优势 ===== */
.advantages-section {
  padding: var(--spacing-3xl) 0;
  background: rgba(10, 15, 31, 0.6);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--grid-gap);
}

.advantage-card {
  position: relative;
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  background: linear-gradient(160deg, rgba(16, 23, 51, 0.9), rgba(4, 7, 18, 0.7));
  border: var(--border-width) solid rgba(94, 209, 255, 0.18);
  box-shadow: var(--box-shadow-xs);
  overflow: hidden;
}

.advantage-card::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -30%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 156, 84, 0.4), transparent 70%);
}

.advantage-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 15px rgba(255, 156, 84, 0.7);
}

.advantage-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.advantage-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===== 产品与解决方案预览 ===== */
.solutions-preview {
  padding: var(--spacing-3xl) 0;
}

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

.solution-card {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: var(--border-width) solid rgba(94, 209, 255, 0.2);
  background: rgba(10, 15, 31, 0.8);
  box-shadow: var(--box-shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--box-shadow-md);
}

.card-image {
  border-radius: 0;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: var(--spacing-lg);
}

.card-content h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.card-content p {
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-highlight);
  text-transform: uppercase;
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
}

.card-link::after {
  content: "→";
  font-size: var(--font-size-sm);
}

/* ===== 技术亮点 ===== */
.features-section {
  padding: var(--spacing-3xl) 0;
  background: rgba(10, 15, 31, 0.6);
}

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

.feature-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  background: linear-gradient(140deg, rgba(16, 23, 51, 0.85), rgba(4, 7, 18, 0.75));
  border: var(--border-width) solid rgba(94, 209, 255, 0.2);
}

.feature-item img {
  border-radius: var(--border-radius-lg);
  border: var(--border-width) solid rgba(255, 156, 84, 0.35);
}

.feature-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

.feature-content p {
  color: var(--color-text-muted);
}

/* ===== 企业资质 ===== */
.certifications-section {
  padding: var(--spacing-3xl) 0;
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--grid-gap);
}

.certification-item {
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  background: rgba(10, 15, 31, 0.85);
  border: var(--border-width) solid rgba(184, 140, 255, 0.22);
  text-align: center;
  position: relative;
}

.cert-icon {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 16px rgba(184, 140, 255, 0.55);
}

.certification-item h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.certification-item p {
  font-size: var(--font-size-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ===== 公司概况 ===== */
.company-overview {
  padding: var(--spacing-3xl) 0;
  background: rgba(10, 15, 31, 0.6);
}

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

.overview-item {
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-xl);
  background: rgba(4, 7, 18, 0.85);
  border: var(--border-width) solid rgba(94, 209, 255, 0.2);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.overview-item::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 209, 255, 0.35), transparent 70%);
}

.overview-item h3 {
  font-size: var(--font-size-sm);
  color: var(--color-highlight);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.overview-item p {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
}

/* ===== 新闻动态 ===== */
.news-preview {
  padding: var(--spacing-3xl) 0 var(--spacing-4xl);
}

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

.news-card {
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: var(--border-width) solid rgba(94, 209, 255, 0.15);
  background: rgba(16, 23, 51, 0.8);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--box-shadow-base);
}

.news-image {
  height: 180px;
  object-fit: cover;
  border-radius: 0;
}

.news-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.news-date {
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.news-content h3 {
  font-size: var(--font-size-lg);
}

.news-content p {
  color: var(--color-text-muted);
  flex: 1;
}

.news-link {
  align-self: flex-start;
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ===== CTA 区域 ===== */
.cta-section {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, rgba(94, 209, 255, 0.2), rgba(184, 140, 255, 0.2));
}

.cta-section .container {
  max-width: 720px;
  text-align: center;
  padding: var(--spacing-3xl);
  border: var(--border-width) solid rgba(94, 209, 255, 0.25);
  border-radius: var(--border-radius-lcars);
  background: rgba(4, 7, 18, 0.85);
  box-shadow: var(--box-shadow-base);
}

.cta-section h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xl);
}

/* ===== 响应式调整 ===== */
@media (max-width: 991px) {
  .hero-banner {
    margin-top: var(--spacing-3xl);
  }

  .section-title {
    text-align: center;
    padding-left: 0;
  }

  .section-title::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .section-title::after {
    display: none;
  }
}

@media (max-width: 575px) {
  .hero-banner {
    padding: var(--spacing-2xl);
  }

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