/*
# solutions.css
# Written by: 广州羲驭科技有限公司
# Description: Custom styles for the solutions page.
# Copyright: © 2024-2025 广州羲驭科技有限公司. All rights reserved. | 粤ICP备2025458335号
*/

/* ===== 解决方案页面专用样式 ===== */

/* ===== Hero 区域 ===== */
.solutions-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: var(--space-20) 0 var(--space-16);
  position: relative;
  overflow: hidden;
}

.solutions-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center,
    rgba(0, 217, 199, 0.15) 0%,
    transparent 70%);
  z-index: -1;
}

.solutions-hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.solutions-hero-title {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
  background: var(--glass-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.solutions-hero-subtitle {
  font-size: var(--text-xl);
  line-height: var(--leading-relaxed);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
}

/* ===== 解决方案分类标签 ===== */
.solution-filters {
  padding: var(--space-8) 0;
  background: var(--glass-layer-1);
  backdrop-filter: var(--glass-blur-light);
  position: sticky;
  top: 70px;
  z-index: 30;
  border-bottom: 1px solid var(--glass-border-light);
}

.filter-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-tab {
  background: var(--glass-layer-3);
  border: 1px solid var(--glass-border-light);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-weight: var(--font-medium);
  transition: all var(--animation-medium) var(--ease-out-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.filter-tab::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 100%);
  transition: left var(--animation-slow) var(--ease-out-smooth);
}

.filter-tab:hover::before {
  left: 100%;
}

.filter-tab:hover {
  background: var(--glass-layer-4);
  color: var(--vista-glass-teal);
  border-color: var(--glass-border-teal);
  transform: translateY(-2px);
}

.filter-tab.active {
  background: var(--glass-primary);
  border-color: var(--glass-border-teal);
  color: white;
  box-shadow: var(--vista-glow-teal);
}

/* ===== 解决方案网格 ===== */
.solutions-content {
  padding: var(--space-16) 0 var(--space-20);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

/* ===== 解决方案卡片 ===== */
.solution-card {
  background: var(--glass-layer-3);
  backdrop-filter: var(--glass-blur-medium);
  -webkit-backdrop-filter: var(--glass-blur-medium);
  border: 1px solid var(--glass-border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--animation-medium) var(--ease-out-smooth);
  position: relative;
  overflow: hidden;
  opacity: 1;
  transform: scale(1);
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--glass-primary);
  transform: scaleX(0);
  transition: transform var(--animation-medium) var(--ease-out-smooth);
}

.solution-card:hover {
  background: var(--glass-layer-4);
  border-color: var(--glass-border-teal);
  box-shadow: var(--glass-shadow-hover), 0 0 40px rgba(0, 217, 199, 0.3);
  transform: translateY(-8px) scale(1.02);
}

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

.solution-card.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.solution-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.solution-icon {
  width: 60px;
  height: 60px;
  background: var(--glass-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  flex-shrink: 0;
  position: relative;
}

.solution-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--glass-primary);
  border-radius: var(--radius-xl);
  opacity: 0.3;
  z-index: -1;
  animation: iconGlow 2s ease-in-out infinite alternate;
}

.solution-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: white;
  margin: 0;
  line-height: var(--leading-tight);
}

.solution-description {
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.solution-features {
  list-style: none;
  margin-bottom: var(--space-6);
}

.solution-features li {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-6);
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
}

.solution-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--vista-glass-teal);
  font-weight: var(--font-bold);
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.solution-tag {
  background: var(--glass-layer-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--glass-border-lighter);
}

.solution-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--glass-border-lighter);
}

.solution-link {
  color: var(--vista-glass-teal);
  text-decoration: none;
  font-weight: var(--font-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--animation-fast) var(--ease-out-smooth);
}

.solution-link:hover {
  color: var(--vista-glass-blue);
  transform: translateX(4px);
}

.solution-complexity {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.complexity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--glass-border-light);
  transition: all var(--animation-fast) var(--ease-out-smooth);
}

.complexity-dot.active {
  background: var(--vista-glass-teal);
  box-shadow: 0 0 8px rgba(0, 217, 199, 0.6);
}

/* ===== 特色解决方案 ===== */
.featured-solutions {
  padding: var(--space-20) 0;
  background: var(--glass-layer-1);
  backdrop-filter: var(--glass-blur-light);
  position: relative;
}

.featured-solutions::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--geo-grid);
  opacity: 0.2;
}

.featured-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  position: relative;
  z-index: 1;
}

.featured-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.featured-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  background: var(--glass-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.featured-subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.featured-card {
  background: var(--glass-layer-4);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-3xl);
  padding: var(--space-8);
  transition: all var(--animation-medium) var(--ease-out-smooth);
  position: relative;
  overflow: hidden;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--glass-accent);
}

.featured-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--glass-shadow-hover), 0 0 50px rgba(0, 217, 199, 0.4);
}

.featured-badge {
  display: inline-block;
  background: var(--glass-accent);
  color: white;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== CTA 区域 ===== */
.solutions-cta {
  padding: var(--space-20) 0;
  text-align: center;
}

.solutions-cta-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-12);
  background: var(--glass-layer-4);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  border: 1px solid var(--glass-border-medium);
  border-radius: var(--radius-3xl);
  box-shadow: var(--glass-shadow-strong);
}

.solutions-cta-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
  color: white;
}

.solutions-cta-description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

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

/* ===== 添加CSS动画 ===== */
@keyframes iconGlow {
  from {
    opacity: 0.3;
    transform: scale(1);
  }
  to {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .solutions-hero {
    min-height: 70vh;
    padding: var(--space-16) 0 var(--space-12);
  }

  .solutions-hero-title {
    font-size: var(--text-4xl);
  }

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

  .featured-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  .solutions-hero {
    min-height: 60vh;
    padding: var(--space-12) 0 var(--space-8);
  }

  .solutions-hero-title {
    font-size: var(--text-3xl);
  }

  .solutions-hero-subtitle {
    font-size: var(--text-lg);
  }

  .solution-filters {
    position: static;
    top: auto;
  }

  .filter-tabs {
    gap: var(--space-1);
  }

  .filter-tab {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
  }

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

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

  .solution-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .solution-icon {
    width: 50px;
    height: 50px;
    font-size: var(--text-xl);
  }

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

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

  .solutions-cta-content {
    padding: var(--space-8);
  }

  .solutions-cta-title {
    font-size: var(--text-2xl);
  }

  .solutions-cta-description {
    font-size: var(--text-base);
  }

  .solutions-cta-actions {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-3);
  }

  .filter-container,
  .featured-container {
    padding: 0 var(--space-3);
  }

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

  .solution-card {
    padding: var(--space-4);
  }

  .solution-footer {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }

  .featured-card {
    padding: var(--space-4);
  }

  .solutions-cta-content {
    padding: var(--space-6);
  }
}