/* 组件样式 - EXCESSIC官网 */

/* ==================== 导航栏 ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-index-header);
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 22, 40, 0.9);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.logo:hover {
  color: var(--color-accent);
  transform: scale(1.05);
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
  color: var(--color-bg-primary);
}

/* ==================== 按钮 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  border: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-glow-accent);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(255, 184, 0, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

/* ==================== 卡片 ==================== */
.card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xl);
  color: var(--color-bg-primary);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.card-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ==================== Section ==================== */
.section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-lg {
  padding: calc(var(--spacing-xl) * 1.5) var(--spacing-md);
}

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

.section-title {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ==================== 数据统计 ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

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

/* ==================== 客户评价 ==================== */
.testimonial-content {
  position: relative;
}

.testimonial-text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-weight: 700;
  color: var(--color-bg-primary);
}

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.testimonial-company {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ==================== 品牌墙 ==================== */
.brand-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  min-height: 80px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
  letter-spacing: 0.5px;
}

.brand-logo:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

.brand-logo img {
  max-height: 60px;
  width: auto;
  object-fit: contain;
}

/* ==================== 页脚 ==================== */
.footer {
  background: var(--color-bg-secondary);
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
}

.footer-section {
  padding: var(--spacing-sm);
}

.footer-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-link {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

.footer-bottom {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.footer-social-link:hover {
  background: var(--color-primary);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
}

/* ==================== Hero区域 ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 40px) var(--spacing-md) var(--spacing-xl);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
  z-index: 0;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  font-size: var(--font-size-hero);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.glow-text {
  color: var(--color-text-primary);
  animation: glowText 3s ease-in-out infinite alternate;
}

@keyframes glowText {
  from {
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
  }
  to {
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.8), 0 0 60px rgba(0, 212, 255, 0.6);
  }
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
}

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

.stat-mini-number {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-accent);
}

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

/* ==================== 粒子背景 ==================== */
.particles-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0.3;
}

/* ==================== 联系信息 ==================== */
.contact-info-box {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==================== 分割布局 ==================== */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

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

.split-image {
  padding-left: var(--spacing-lg);
}

/* ==================== 网格布局 ==================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

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

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

.cards-grid {
  display: grid;
  gap: var(--spacing-md);
}

/* ==================== 导航 ==================== */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  position: relative;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  background: transparent;
  border: none;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-base);
}

/* ==================== 联系信息 ==================== */
.contact-intro {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.contact-info-box {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item-label {
  font-weight: 600;
  color: var(--color-text-primary);
}

.contact-item-value {
  color: var(--color-text-secondary);
}

.contact-item-value.phone {
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  font-family: var(--font-display);
}

.map-placeholder {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.map-placeholder-text {
  margin-top: var(--spacing-md);
  color: var(--color-text-secondary);
  text-align: center;
}

.footer-desc {
  margin-top: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.footer-copyright {
  color: var(--color-text-muted);
}

/* ==================== 辅助类 ==================== */
.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}