/* ============================================
   语信IDC - 全新设计系统 Home.css
   首页样式
   ============================================ */

/* ===== Hero区域 ===== */
.hero {
  position: relative;
  background: var(--gradient-dark);
  color: #fff;
  padding: 80px 40px 80px;
  margin: -20px -20px 40px -20px;
  overflow: hidden;
  width: calc(100% + 40px);
}

/* Hero背景装饰 */
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

/* 网格背景 */
.hero-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(37, 99, 235, 0.2);
  border: 1px solid rgba(37, 99, 235, 0.4);
  backdrop-filter: blur(10px);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-primary-lighter);
  margin-bottom: var(--space-6);
  animation: fadeInDown 0.6s ease-out;
}

.hero-badge-icon {
  animation: pulse 2s ease-in-out infinite;
}

.hero h1, .hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-5);
  color: #fff !important;
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero h1 b, .hero-title b {
  background: linear-gradient(135deg, #60a5fa 0%, #22d3ee 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #22d3ee 50%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle, .hero p {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.75) !important;
  max-width: 700px;
  margin: 0 auto var(--space-4);
  line-height: var(--line-height-relaxed);
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-subtitle2 {
  font-size: var(--font-size-md);
  color: rgba(255, 255, 255, 0.5) !important;
  max-width: 600px;
  margin: 0 auto var(--space-8);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-actions .btn {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

/* Hero数据统计 */
.hero-stats {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap !important;
  gap: 16px !important;
  max-width: 900px !important;
  margin: 0 auto !important;
  animation: fadeInUp 0.6s ease-out 0.5s both;
}

.hero-stats > * {
  flex: 1 1 200px !important;
  min-width: 180px !important;
  max-width: 100% !important;
  width: auto !important;
}

.hero-stat, .stat-card {
  flex: 1 1 200px !important;
  min-width: 180px !important;
  text-align: center !important;
  padding: 20px !important;
  background: rgba(255, 255, 255, 0.05) !important;
  backdrop-filter: blur(10px) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 16px !important;
  transition: all 0.3s ease !important;
  display: block !important;
}

.hero-stat:hover, .stat-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(37, 99, 235, 0.4);
  transform: translateY(-4px);
}

.hero-stat-number, .stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: #fff;
  line-height: 1;
  display: inline;
}

.hero-stat-unit, .stat-unit {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.6);
  margin-left: 2px;
  display: inline;
}

.hero-stat-label, .stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-2);
}
}

.hero-stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  background: linear-gradient(135deg, #60a5fa, #22d3ee);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

/* ===== 通用区块 ===== */
.section {
  padding: var(--space-20) 0;
}

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

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-tight);
}

.section-title .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ===== 为什么选择语信 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-lighter);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin: 0 auto var(--space-5);
  transition: all var(--transition-normal);
}

.feature-card:nth-child(1) .feature-icon {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
}

.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, #ecfeff, #a5f3fc);
}

.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, #f0fdf4, #bbf7d0);
}

.feature-card:nth-child(4) .feature-icon {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

/* ===== 产品体系 ===== */
.products-section {
  background: linear-gradient(180deg, var(--color-bg-page) 0%, #f0f4ff 50%, var(--color-bg-page) 100%);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.product-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  opacity: 0.1;
  transition: all var(--transition-normal);
}

.product-card.idc::before {
  background: var(--gradient-primary);
}

.product-card.kvm::before {
  background: var(--gradient-accent);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.product-card:hover::before {
  transform: scale(1.2);
  opacity: 0.15;
}

.product-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.product-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  flex-shrink: 0;
}

.product-card.idc .product-icon {
  background: var(--gradient-primary);
  box-shadow: var(--shadow-primary);
}

.product-card.kvm .product-icon {
  background: var(--gradient-accent);
  box-shadow: 0 10px 25px -5px rgba(6, 182, 212, 0.4);
}

.product-name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
}

.product-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.product-desc {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  position: relative;
  z-index: 1;
}

.product-feature-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-muted);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.product-actions {
  display: flex;
  gap: var(--space-3);
  position: relative;
  z-index: 1;
}

/* ===== 核心功能 ===== */
.core-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.core-feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-normal);
  display: flex;
  gap: var(--space-5);
}

.core-feature-card:hover {
  border-color: var(--color-primary-lighter);
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}

.core-feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
  background: var(--color-primary-bg);
  transition: all var(--transition-normal);
}

.core-feature-card:hover .core-feature-icon {
  background: var(--gradient-primary);
  transform: scale(1.1);
}

.core-feature-content h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.core-feature-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
}

/* ===== 最新动态 ===== */
.news-section {
  background: linear-gradient(180deg, var(--color-bg-page) 0%, #f8fafc 100%);
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.news-column {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-normal);
}

.news-column:hover {
  box-shadow: var(--shadow-xl);
}

.news-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.news-column-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.news-column-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.news-column.idc .news-column-icon {
  background: var(--color-primary-bg);
}

.news-column.kvm .news-column-icon {
  background: var(--color-accent-bg);
}

.news-view-all {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: all var(--transition-fast);
}

.news-view-all:hover {
  gap: var(--space-2);
}

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

.news-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.news-item:hover {
  background: var(--color-bg-muted);
}

.news-date {
  flex-shrink: 0;
  width: 60px;
  text-align: center;
}

.news-date-day {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.news-date-month {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.news-content {
  flex: 1;
  min-width: 0;
}

.news-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  line-height: var(--line-height-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.news-item:hover .news-title {
  color: var(--color-primary);
}

.news-excerpt {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 市场最新 ===== */
.market-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.market-column {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
}

.market-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.market-column-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.market-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.market-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: all var(--transition-fast);
}

.market-item:hover {
  border-color: var(--color-primary-lighter);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.market-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-3);
}

.market-item-name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.market-item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
}

.market-item-price {
  font-weight: var(--font-weight-bold);
}

.market-item-price.free {
  color: var(--color-success);
}

.market-item-price.paid {
  color: var(--color-error);
}

/* ===== 合作伙伴 ===== */
.partners-section {
  background: var(--color-bg-muted);
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
}

.partner-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  transition: all var(--transition-normal);
  min-width: 280px;
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-lighter);
}

.partner-logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.partner-info h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.partner-info p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ===== CTA区域 ===== */
.cta-section {
  padding: var(--space-20) 0;
}

.cta-card {
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-10);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-5);
}

.cta-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-tight);
}

.cta-desc {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto var(--space-8);
  line-height: var(--line-height-relaxed);
}

.cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions .btn {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-xl);
}

/* ===== 响应式 - 平板 ===== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: var(--font-size-5xl);
  }

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

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .core-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .section-title {
    font-size: var(--font-size-3xl);
  }
}

/* ===== 响应式 - 手机 ===== */
@media (max-width: 768px) {
  .hero {
    padding: var(--space-12) 0;
  }

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

  .hero-subtitle {
    font-size: var(--font-size-md);
  }

  .hero-desc {
    font-size: var(--font-size-sm);
  }

  .hero-actions .btn {
    width: 100%;
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-md);
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .hero-stat {
    padding: var(--space-4);
  }

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

  .section {
    padding: var(--space-12) 0;
  }

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

  .section-subtitle {
    font-size: var(--font-size-sm);
  }

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

  .feature-card {
    padding: var(--space-6);
  }

  .product-card {
    padding: var(--space-6);
  }

  .core-features-grid {
    grid-template-columns: 1fr;
  }

  .core-feature-card {
    padding: var(--space-5);
  }

  .news-column {
    padding: var(--space-5);
  }

  .market-items {
    grid-template-columns: 1fr;
  }

  .market-column {
    padding: var(--space-5);
  }

  .partner-card {
    min-width: 100%;
  }

  .cta-card {
    padding: var(--space-10) var(--space-5);
  }

  .cta-title {
    font-size: var(--font-size-3xl);
  }

  .cta-desc {
    font-size: var(--font-size-md);
  }

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