/* ══════════════════════════════════════════════
   绿行未来 v3.0 - 公共样式
   极简轻奢生态科技风 · 磨砂玻璃态
   ══════════════════════════════════════════════ */

/* ─── 容器 ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ─── v3.0 全局粒子Canvas ─── */
#globalParticleCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

/* ─── 导航栏 v3.0 ─── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--navbar-height);
  background: var(--navbar-bg);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border-bottom: 1px solid var(--color-border);
  transition: all var(--duration-base) var(--ease-out);
  display: flex;
  align-items: center;
  animation: navbarSlideIn 0.6s var(--ease-out) forwards;
}

@keyframes navbarSlideIn {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  transition: all var(--duration-fast);
}

.navbar-logo:hover {
  text-shadow: 0 0 24px var(--color-glow);
}

.logo-icon {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 0 8px rgba(0,255,159,0.4));
}

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

.navbar-menu a {
  position: relative;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--duration-base) var(--ease-out);
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--color-glow);
}

.navbar-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--color-glow);
}

.navbar.hidden {
  transform: translateY(-100%);
}

/* ─── 移动端菜单按钮 ─── */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: 2px;
  transition: all var(--duration-base) var(--ease-out);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── v3.0 加载开场动画 ─── */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader-ring {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(0,255,159,0.15);
  border-top-color: var(--color-primary);
  animation: loaderSpin 0.8s linear infinite;
}

@keyframes loaderSpin {
  to { transform: rotate(360deg); }
}

/* ─── 面包屑 v3.0 ─── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

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

.breadcrumb .separator {
  color: var(--color-border);
  opacity: 0.7;
}

.breadcrumb .current {
  color: var(--color-primary);
  font-weight: 500;
}

/* ─── v3.0 页面标题区 ─── */
.page-header {
  padding: calc(var(--navbar-height) + var(--spacing-3xl)) 0 var(--spacing-2xl);
  background: var(--gradient-tech);
  color: var(--color-text-inverse);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 30%, rgba(0,255,159,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 70% 50%, rgba(0,175,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}

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

.page-header h1 {
  font-size: var(--text-5xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--spacing-md);
  letter-spacing: 1px;
  text-shadow: 0 0 40px rgba(0,255,159,0.3);
}

.page-header p {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto;
}

.page-header .breadcrumb a {
  color: rgba(255,255,255,0.6);
}

.page-header .breadcrumb .current {
  color: var(--color-primary);
}

.page-header .breadcrumb .separator {
  color: rgba(255,255,255,0.3);
}

/* 子栏目紧凑版 */
.page-header.sub-header {
  padding: calc(var(--navbar-height) + var(--spacing-xl)) 0 var(--spacing-xl);
}

.page-header.sub-header h1 {
  font-size: var(--text-3xl);
}

/* ─── v3.0 Banner渐变分隔线 ─── */
.header-divider {
  width: 60px;
  height: 2px;
  background: var(--gradient-banner);
  border-radius: 2px;
  margin: var(--spacing-md) auto;
  box-shadow: 0 0 16px rgba(0,255,159,0.4);
}

/* ─── 按钮 v3.0 ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--gradient-banner);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 20px rgba(0,255,159,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,255,159,0.45);
}

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

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 20px rgba(0,255,159,0.3);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255,255,255,0.3);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 16px 36px;
  font-size: var(--text-lg);
}

/* ─── v3.0 卡片（磨砂玻璃态）─── */
.card {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
  box-shadow: var(--shadow-sm);
}

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

.card-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  background: var(--gradient-card-cover);
}

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

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

.card-body p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ─── v3.0 标签 ─── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border: 1px solid rgba(0,255,159,0.15);
  transition: all var(--duration-fast);
}

.tag:hover {
  background: var(--color-primary);
  color: #003340;
  box-shadow: 0 0 16px rgba(0,255,159,0.3);
}

.tag-blue {
  background: rgba(0,175,255,0.12);
  color: var(--color-secondary-light);
  border-color: rgba(0,175,255,0.2);
}

.tag-blue:hover {
  background: var(--color-secondary);
  color: #fff;
}

/* ─── v3.0 区块标题 ─── */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

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

.section-title p {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* ─── 科技渐变分隔线 ─── */
.divider-tech {
  width: 80px;
  height: 3px;
  background: var(--gradient-banner);
  border-radius: 3px;
  margin: var(--spacing-sm) auto var(--spacing-lg);
  box-shadow: 0 0 12px rgba(0,255,159,0.3);
}

/* ─── section通用样式 v3.0 ─── */
.section {
  padding: var(--spacing-4xl) 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-dark {
  background: var(--gradient-dark);
  color: var(--color-text-inverse);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-text-inverse);
}

/* ─── 网格布局 ─── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-xl); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-xl); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-xl); }

/* ─── v3.0 数据卡片 ─── */
.stat-card {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
}

.stat-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-banner);
  box-shadow: 0 0 12px rgba(0,255,159,0.3);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 800;
  background: var(--gradient-banner);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ─── v3.0 页脚 ─── */
.site-footer {
  background: var(--gradient-dark);
  color: rgba(255,255,255,0.8);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,255,159,0.4), transparent);
}

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

.footer-col h4 {
  color: var(--color-text-inverse);
  font-size: var(--text-base);
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0,255,159,0.4);
}

.footer-col p,
.footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
  transition: color var(--duration-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--spacing-lg);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  text-align: center;
}

/* ─── 回到顶部 v3.0 ─── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #003340;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,255,159,0.4);
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--duration-base) var(--ease-out);
  z-index: 900;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,255,159,0.5);
}

/* ─── 滚动动画 v3.0 ─── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--duration-slow) var(--ease-out);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── 分页 v3.0 ─── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-2xl) 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
  color: var(--color-text-secondary);
  border: 1px solid transparent;
}

.pagination a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-border);
}

.pagination .active {
  background: var(--color-primary);
  color: #003340;
  font-weight: 600;
  box-shadow: 0 0 16px rgba(0,255,159,0.3);
}

/* ─── 搜索框 v3.0 ─── */
.search-box {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 8px 16px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--duration-fast);
  backdrop-filter: blur(8px);
}

.search-box:focus-within {
  border-color: var(--color-primary);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 20px rgba(0,255,159,0.15);
}

.search-box input {
  border: none;
  background: none;
  outline: none;
  font-size: var(--text-sm);
  color: var(--color-text);
  width: 160px;
}

.search-box input::placeholder {
  color: var(--color-text-muted);
}

.search-box button {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
  padding: 4px;
  cursor: pointer;
  transition: color var(--duration-fast);
}

.search-box button:hover {
  color: var(--color-primary);
}

/* ─── 分类导航标签 v3.0 ─── */
.category-tabs {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-2xl);
  justify-content: center;
}

.category-tabs a {
  padding: 10px 24px;
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--color-bg-card);
  backdrop-filter: blur(8px);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--duration-base) var(--ease-out);
}

.category-tabs a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-green);
  border-color: var(--color-border-hover);
  color: var(--color-primary);
}

.category-tabs a.active {
  background: var(--gradient-banner);
  color: #003340;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(0,255,159,0.4);
}

/* ─── 侧边栏 v3.0 ─── */
.sidebar-widget {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.sidebar-widget h4 {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary-bg);
}

/* ─── 标签云 v3.0 ─── */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag-cloud .tag {
  margin-bottom: 0;
}

/* ─── 表单 v3.0 ─── */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--text-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  color: var(--color-text);
  transition: all var(--duration-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,255,159,0.1);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

/* ─── 图表容器 ─── */
.chart-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.chart-legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.chart-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

/* ─── 折叠面板 v3.0 ─── */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  background: var(--color-bg-card);
  backdrop-filter: blur(8px);
  transition: all var(--duration-base);
}

.accordion-item:hover {
  border-color: var(--color-border-hover);
}

.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
  transition: background var(--duration-fast);
}

.accordion-header:hover {
  background: var(--color-primary-bg);
}

.accordion-header::after {
  content: '+';
  font-size: var(--text-xl);
  color: var(--color-primary);
  transition: transform var(--duration-base);
}

.accordion-item.open .accordion-header::after {
  content: '\2212';
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-base) var(--ease-out);
}

.accordion-item.open .accordion-body {
  max-height: 500px;
}

.accordion-body-inner {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ─── v3.0 角落呼吸灯 ─── */
.corner-light {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.3;
  animation: breath 4s ease-in-out infinite;
}

.corner-light.top-left { top: -40px; left: -40px; background: rgba(0,255,159,0.4); }
.corner-light.top-right { top: -40px; right: -40px; background: rgba(0,175,255,0.4); animation-delay: 2s; }
.corner-light.bottom-left { bottom: -40px; left: -40px; background: rgba(0,255,159,0.3); animation-delay: 1s; }
.corner-light.bottom-right { bottom: -40px; right: -40px; background: rgba(0,175,255,0.3); animation-delay: 3s; }

@keyframes breath {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* ─── 工具类 ─── */
.text-center { text-align: center; }
.text-gradient {
  background: var(--gradient-banner);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }