/* 恩悦智能官网 - 全局样式 */

/* ===== 设计系统变量 ===== */
:root {
  /* 主色系 - 数智绿 */
  --primary: #0bd051;
  --primary-dark: #08a03e;
  --primary-light: #2fe06a;
  --primary-glow: #0bd051;
  --primary-ultra-light: rgba(11,208,81,0.1);

  /* 辅助色 */
  --accent: #0bd051;
  --accent-dark: #08a03e;
  --success: #0bd051;
  --warning: #f0c040;
  --danger: #ff4466;

  /* 中性色 - 黑色系高对比 */
  --dark: #080807;
  --dark-2: #0e0e0c;
  --dark-3: #161614;
  --gray-1: #e8e8e6;
  --gray-2: #b0b0ac;
  --gray-3: #7a7a76;
  --gray-4: #505050;
  --gray-5: #323230;
  --gray-6: #242422;
  --gray-7: #141412;
  --white: #FFFFFF;

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #08a03e 0%, #0bd051 60%, #2fe06a 100%);
  --gradient-dark: linear-gradient(180deg, #080807 0%, #0e0e0c 100%);
  --gradient-hero: linear-gradient(135deg, rgba(8,160,62,0.55) 0%, rgba(8,8,7,0.88) 100%);
  --gradient-card: linear-gradient(135deg, rgba(11,208,81,0.06) 0%, rgba(11,208,81,0.02) 100%);

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(11,208,81,0.08);
  --shadow-md: 0 4px 20px rgba(11,208,81,0.18);
  --shadow-lg: 0 10px 40px rgba(11,208,81,0.2);
  --shadow-xl: 0 20px 60px rgba(11,208,81,0.18);
  --shadow-glow: 0 0 30px rgba(11,208,81,0.35);

  /* 圆角 */
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;

  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* 字体 */
  --font-primary: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-primary);
  color: var(--gray-1);
  background-color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; }

/* ===== 导航栏 ===== */
.navbar-main {
  background: rgba(8, 8, 7, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(11,208,81,0.12);
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
}
.navbar-main.scrolled {
  background: rgba(8, 8, 7, 0.99);
  box-shadow: 0 4px 30px rgba(0,0,0,0.6), 0 1px 0 rgba(11,208,81,0.15);
}
.navbar-main .navbar-brand {
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar-main .brand-logo {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: var(--white);
}
.navbar-main .brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.navbar-main .brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
}
.navbar-main .brand-en {
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.navbar-main .nav-link {
  color: rgba(255,255,255,0.8) !important;
  font-size: 15px;
  font-weight: 500;
  padding: 28px 18px !important;
  position: relative;
  transition: var(--transition);
}
.navbar-main .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
  border-radius: 2px;
}
.navbar-main .nav-link:hover,
.navbar-main .nav-link.active {
  color: var(--white) !important;
}
.navbar-main .nav-link:hover::after,
.navbar-main .nav-link.active::after {
  width: 60%;
}
.navbar-main .nav-cta {
  background: var(--gradient-primary) !important;
  color: var(--white) !important;
  border-radius: var(--radius-sm) !important;
  padding: 8px 22px !important;
  font-weight: 600;
  margin-top: 0;
  border: none;
  align-self: center;
}
.navbar-main .nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.navbar-main .nav-cta::after { display: none; }
.navbar-toggler {
  border: 1px solid rgba(255,255,255,0.2) !important;
  padding: 6px 10px;
}
.navbar-toggler-icon { filter: invert(1); }

/* ===== Hero 区域 ===== */
.hero-section {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/images/hero-factory.png');
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8,8,7,0.82) 0%, rgba(8,160,62,0.18) 50%, rgba(8,8,7,0.92) 100%);
  z-index: 1;
}
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 3;
  padding-top: 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(11,208,81,0.1);
  border: 1px solid rgba(11,208,81,0.35);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease;
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.hero-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
}
.hero-title .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
  animation: fadeInUp 0.7s ease 0.2s both;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.3s both;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  animation: fadeInUp 0.7s ease 0.4s both;
}
.hero-stat-item .value {
  font-size: 32px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hero-stat-item .unit {
  font-size: 18px;
  color: var(--primary);
}
.hero-stat-item .label {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

/* ===== 按钮系统 ===== */
.btn-primary-custom {
  background: var(--gradient-primary);
  color: var(--dark);
  border: none;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(11,208,81,0.3);
}
.btn-primary-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(11,208,81,0.45);
  color: var(--dark);
}
.btn-outline-custom {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(11,208,81,0.4);
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.btn-outline-custom:hover {
  background: rgba(11,208,81,0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
  color: var(--primary);
}
.btn-blue {
  background: var(--gradient-primary);
  color: var(--dark);
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.btn-blue:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--dark);
}

/* ===== 区块通用样式 ===== */
.section {
  padding: 100px 0;
  background: var(--dark);
}
.section-alt {
  background: var(--dark-2);
}
.section-dark {
  background: var(--dark);
}
.section-tag {
  display: inline-block;
  background: var(--primary-ultra-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
  border: 1px solid rgba(11,208,81,0.25);
}
.section-dark .section-tag {
  background: rgba(11,208,81,0.1);
  color: var(--primary);
}
.section-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-dark .section-title { color: var(--white); }
.section-subtitle {
  font-size: 17px;
  color: var(--gray-3);
  line-height: 1.7;
  max-width: 560px;
}
.section-dark .section-subtitle { color: var(--gray-3); }

/* ===== 卡片组件 ===== */
.card-feature {
  background: var(--dark-3);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--gray-6);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.card-feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}
.card-feature:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(11,208,81,0.35);
}
.card-feature:hover::before { opacity: 1; }
.card-feature .icon-wrap {
  width: 60px;
  height: 60px;
  background: var(--primary-ultra-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 24px;
  transition: var(--transition);
  border: 1px solid rgba(11,208,81,0.2);
}
.card-feature:hover .icon-wrap {
  background: var(--gradient-primary);
  color: var(--dark);
  border-color: transparent;
}
.card-feature .card-title-f {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.card-feature .card-desc {
  font-size: 14px;
  color: var(--gray-3);
  line-height: 1.7;
}

/* 产品卡片 */
.card-product {
  background: var(--dark-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-6);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card-product:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(11,208,81,0.15);
  border-color: rgba(11,208,81,0.4);
}
.card-product .card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.card-product .card-body-p {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-product .card-title-p {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.card-product .card-sub-p {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
}
.card-product .card-desc-p {
  font-size: 14px;
  color: var(--gray-3);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
}
.card-product .card-features-p {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.card-product .card-features-p li {
  font-size: 13px;
  color: var(--gray-2);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-product .card-features-p li::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* 新闻卡片 */
.card-news {
  background: var(--dark-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-6);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card-news:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(11,208,81,0.4);
}
.card-news .news-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.card-news .news-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-news .news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.card-news .news-date {
  font-size: 12px;
  color: var(--gray-4);
}
.card-news .news-views {
  font-size: 12px;
  color: var(--gray-4);
  display: flex;
  align-items: center;
  gap: 4px;
}
.card-news .news-category {
  font-size: 11px;
  background: var(--primary-ultra-light);
  color: var(--primary);
  padding: 2px 10px;
  border-radius: 50px;
  font-weight: 600;
}
.card-news .news-title-n {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-news .news-summary {
  font-size: 13px;
  color: var(--gray-3);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.card-news .news-link {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.card-news .news-link:hover { color: var(--primary-light); gap: 10px; }

/* ===== 关于我们 ===== */
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.about-img-wrap img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}
.about-img-badge {
  position: absolute;
  bottom: 30px;
  left: 30px;
  background: rgba(8,8,7,0.92);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(11,208,81,0.2);
  border-radius: var(--radius);
  padding: 16px 24px;
  color: var(--white);
}
.about-check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}
.about-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--gray-2);
}
.about-check-list li .check-icon {
  width: 22px;
  height: 22px;
  background: var(--primary-ultra-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== 统计数字 ===== */
.stats-section {
  background: var(--dark-2);
  border-top: 1px solid rgba(11,208,81,0.1);
  border-bottom: 1px solid rgba(11,208,81,0.1);
  padding: 80px 0;
}
.stat-item {
  text-align: center;
  padding: 20px;
}
.stat-item .stat-value {
  font-size: 48px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  text-shadow: 0 0 20px rgba(11,208,81,0.4);
}
.stat-item .stat-unit {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-light);
}
.stat-item .stat-label {
  font-size: 15px;
  color: var(--gray-3);
  margin-top: 8px;
}

/* ===== 合作伙伴 ===== */
.partner-logo {
  background: var(--dark-3);
  border: 1px solid var(--gray-6);
  border-radius: var(--radius);
  padding: 20px 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  transition: var(--transition);
  filter: grayscale(60%) brightness(0.8);
}
.partner-logo:hover {
  filter: grayscale(0) brightness(1);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

/* ===== 页脚 ===== */
.footer-main {
  background: var(--dark);
  padding-top: 80px;
}
.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 280px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 15px;
  margin-right: 8px;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.1);
}
.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}
.footer-heading {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--white);
  padding-left: 4px;
}
.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  align-items: flex-start;
}
.footer-contact-item .icon {
  color: var(--accent);
  font-size: 14px;
  margin-top: 2px;
  width: 16px;
}
.footer-contact-item .text {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  margin-top: 60px;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

/* ===== 面包屑/页面头 ===== */
.page-header {
  background: var(--dark);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}
.page-header-content {
  position: relative;
  z-index: 1;
}
.page-header h1 {
  font-size: 40px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.breadcrumb {
  background: transparent !important;
  padding: 0 !important;
}
.breadcrumb-item { font-size: 14px; }
.breadcrumb-item a { color: rgba(255,255,255,0.6); }
.breadcrumb-item.active { color: rgba(255,255,255,0.4); }
.breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,0.3) !important; }

/* ===== 分页 ===== */
.pagination .page-link {
  border: 1px solid var(--gray-6);
  color: var(--white);
  padding: 8px 14px;
  border-radius: var(--radius-sm) !important;
  margin: 0 3px;
  font-size: 14px;
}
.pagination .page-link:hover {
  background: var(--primary-ultra-light);
  border-color: var(--primary);
  color: var(--primary);
}
.pagination .page-item.active .page-link {
  background: var(--primary);
  border-color: var(--primary);
}

/* ===== Toast提示 ===== */
.toast-container-custom {
  position: fixed;
  top: 90px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast-custom {
  background: var(--white);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--primary);
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s ease;
  font-size: 14px;
  color: var(--dark);
}
.toast-custom.toast-success { border-left-color: var(--success); }
.toast-custom.toast-error { border-left-color: var(--danger); }
.toast-custom .toast-icon { font-size: 18px; }

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .navbar-main .nav-link {
    padding: 12px 16px !important;
  }
  .navbar-main .nav-link::after { display: none; }
  .navbar-collapse { background: rgba(8,8,7,0.98); padding: 16px; border-radius: 0 0 16px 16px; border-top: 1px solid rgba(11,208,81,0.12); }
  .hero-stats { gap: 20px; }
  .hero-stat-item .value { font-size: 24px; }
}
@media (max-width: 767px) {
  .section { padding: 60px 0; }
  .hero-desc { font-size: 16px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-item .stat-value { font-size: 36px; }
  .page-header { padding: 120px 0 60px; }
  .page-header h1 { font-size: 28px; }
}

/* ===== 加载状态 ===== */
.skeleton {
  background: linear-gradient(90deg, var(--gray-6) 25%, var(--gray-7) 50%, var(--gray-6) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
  border-radius: var(--radius);
}
@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== AI科技装饰线条 ===== */
.tech-line {
  position: absolute;
  background: var(--gradient-primary);
  opacity: 0.3;
  border-radius: 50%;
}

/* ===== 右侧浮动联系窗口 ===== */
.float-contact {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.float-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #080807;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 8px 0 0 8px;
  background: linear-gradient(135deg, #08a03e, #0bd051);
  box-shadow: -2px 2px 10px rgba(11,208,81,0.25);
}
.float-btn:hover {
  width: 56px;
  background: linear-gradient(135deg, #0bd051, #2fe06a);
}
.float-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
}
.float-modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
}
.float-modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #0e0e0c;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px 24px 24px;
  min-width: 300px;
  max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.float-modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 26px;
  color: #8a8a86;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}
.float-modal-close:hover {
  color: #fff;
}
@media (max-width: 767px) {
  .float-btn {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
  .float-btn:hover {
    width: 44px;
  }
}