/* ========================================
   惠燊数字科技 官网全局样式
   蓝白色系 · 响应式
   ======================================== */

/* CSS Variables */
:root {
  --primary: #0057b8;
  --primary-dark: #003d8a;
  --primary-light: #1a73e8;
  --secondary: #00a0e9;
  --accent: #f0a500;
  --text-dark: #1a1a2e;
  --text-mid: #444466;
  --text-light: #888899;
  --bg-white: #ffffff;
  --bg-light: #f4f8ff;
  --bg-section: #eaf2ff;
  --border: #dde8f5;
  --shadow-sm: 0 2px 10px rgba(0,87,184,0.08);
  --shadow-md: 0 4px 24px rgba(0,87,184,0.13);
  --shadow-lg: 0 8px 40px rgba(0,87,184,0.18);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
  --font-main: 'Microsoft YaHei', '微软雅黑', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

/* ========================================
   扁平化蓝色系SVG图标库
   ======================================== */

/* 图标基础样式 */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  color: currentColor;
}

/* 通用图标类 - 使用背景图片方式 */
.icon-shield { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-plug { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12.22 2h-.44a2 2 0 0 0-2 2v.18a2 2 0 0 1-1 1.73l-.43.25a2 2 0 0 1-2 0l-.15-.08a2 2 0 0 0-2.73.73l-.22.38a2 2 0 0 0 .73 2.73l.15.1a2 2 0 0 1 1 1.72v.51a2 2 0 0 1-1 1.74l-.15.09a2 2 0 0 0-.73 2.73l.22.38a2 2 0 0 0 2.73.73l.15-.08a2 2 0 0 1 2 0l.43.25a2 2 0 0 1 1 1.73V20a2 2 0 0 0 2 2h.44a2 2 0 0 0 2-2v-.18a2 2 0 0 1 1-1.73l.43-.25a2 2 0 0 1 2 0l.15.08a2 2 0 0 0 2.73-.73l.22-.39a2 2 0 0 0-.73-2.73l-.15-.08a2 2 0 0 1-1-1.74v-.5a2 2 0 0 1 1-1.74l.15-.09a2 2 0 0 0 .73-2.73l-.22-.38a2 2 0 0 0-2.73-.73l-.15.08a2 2 0 0 1-2 0l-.43-.25a2 2 0 0 1-1-1.73V4a2 2 0 0 0-2-2z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-search { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-rocket { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.5 16.5c-1.5 1.26-2 5-2 5s3.74-.5 5-2c.71-.84.7-2.13-.09-2.91a2.18 2.18 0 0 0-2.91-.09z'/%3E%3Cpath d='m12 15-3-3a22 22 0 0 1 2-5c3 0 6 1 8 3 2 2 3 5 3 8a22 22 0 0 1-5 2l-3-3Z'/%3E%3Cpath d='M9 12h4'/%3E%3Cpath d='M10 11v2'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-briefcase { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='20' height='14' x='2' y='7' rx='2' ry='2'/%3E%3Cpath d='M16 21V5a2 2 0 0 0-2-2h-4a2 2 0 0 0-2 2v16'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-building { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='16' height='20' x='4' y='2' rx='2' ry='2'/%3E%3Cpath d='M9 22v-4h6v4'/%3E%3Cpath d='M8 6h.01'/%3E%3Cpath d='M16 6h.01'/%3E%3Cpath d='M12 6h.01'/%3E%3Cpath d='M12 10h.01'/%3E%3Cpath d='M12 14h.01'/%3E%3Cpath d='M16 10h.01'/%3E%3Cpath d='M16 14h.01'/%3E%3Cpath d='M8 10h.01'/%3E%3Cpath d='M8 14h.01'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-target { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Ccircle cx='12' cy='12' r='6'/%3E%3Ccircle cx='12' cy='12' r='2'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-handshake { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m11 17 2 2 4-4'/%3E%3Cpath d='m18 13 4 4V6'/%3E%3Cpath d='m2 20 4-4'/%3E%3Cpath d='M2 8V4h4'/%3E%3Cpath d='m3 9 6-1 7.5 7.5'/%3E%3Cpath d='M8.5 7.5 10 6l3 3 1.5-1.5a3.53 3.53 0 1 1 5 5L15 17'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-zap { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='13 2 3 14 12 14 11 22 21 10 12 10 13 2'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-sprout { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7 20h10'/%3E%3Cpath d='M12 20v-5'/%3E%3Cpath d='M12 15a5 5 0 0 1 5-5c2 0 3 1 3 3'/%3E%3Cpath d='M12 15a5 5 0 0 0-5-5c-2 0-3 1-3 3'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-monitor { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='20' height='14' x='2' y='3' rx='2'/%3E%3Cpath d='M8 21h8'/%3E%3Cpath d='M12 17v4'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-radio { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.9 19.1C1 15.2 1 8.8 4.9 4.9'/%3E%3Cpath d='M7.8 16.2c-2.3-2.3-2.3-6.1 0-8.5'/%3E%3Ccircle cx='12' cy='12' r='2'/%3E%3Cpath d='M16.2 7.8c2.3 2.3 2.3 6.1 0 8.5'/%3E%3Cpath d='M19.1 4.9C23 8.8 23 15.1 19.1 19'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-building2 { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='16' height='20' x='4' y='2' rx='2'/%3E%3Cpath d='M9 22v-4h6v4'/%3E%3Cpath d='M8 6h.01'/%3E%3Cpath d='M16 6h.01'/%3E%3Cpath d='M12 6h.01'/%3E%3Cpath d='M12 10h.01'/%3E%3Cpath d='M12 14h.01'/%3E%3Cpath d='M16 10h.01'/%3E%3Cpath d='M16 14h.01'/%3E%3Cpath d='M8 10h.01'/%3E%3Cpath d='M8 14h.01'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-map-pin { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 10c0 6-8 12-8 12s-8-6-8-12a8 8 0 0 1 16 0Z'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-clock { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpath d='M12 6v6l4 2'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-trophy { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9H4.5a2.5 2.5 0 0 1 0-5H6'/%3E%3Cpath d='M18 9h1.5a2.5 2.5 0 0 0 0-5H18'/%3E%3Cpath d='M4 22h16'/%3E%3Cpath d='M10 14.66V17c0 .55-.47.98-.97 1.21C7.85 18.75 7 20.24 7 22'/%3E%3Cpath d='M14 14.66V17c0 .55.47.98.97 1.21C16.15 18.75 17 20.24 17 22'/%3E%3Cpath d='M18 2H6v7a6 6 0 0 0 12 0V2Z'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-lock { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='18' height='11' x='3' y='11' rx='2' ry='2'/%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-map { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 4c-.5.1-1 .5-1.5 1-.5.5-1 .9-1.5 1A5 5 0 0 0 3 6v14c0 .5.3 1 .8 1.2.5.2 1.1 0 1.7-.3l3-1.8c.5-.3 1-.3 1.5 0l3 1.8c.5.3 1.1.5 1.7.3.5-.2.8-.7.8-1.2V6c0-.5-.3-1-.8-1.2-.5-.2-1.1 0-1.7.3l-3 1.8c-.5.3-1 .3-1.5 0L4 4.8c-.5-.3-1.1-.5-1.7-.3'/%3E%3Cpath d='M9 4v16'/%3E%3Cpath d='M15 4v16'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-settings { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12.22 2h-.44a2 2 0 0 0-2 2v.18a2 2 0 0 1-1 1.73l-.43.25a2 2 0 0 1-2 0l-.15-.08a2 2 0 0 0-2.73.73l-.22.38a2 2 0 0 0 .73 2.73l.15.1a2 2 0 0 1 1 1.72v.51a2 2 0 0 1-1 1.74l-.15.09a2 2 0 0 0-.73 2.73l.22.38a2 2 0 0 0 2.73.73l.15-.08a2 2 0 0 1 2 0l.43.25a2 2 0 0 1 1 1.73V20a2 2 0 0 0 2 2h.44a2 2 0 0 0 2-2v-.18a2 2 0 0 1 1-1.73l.43-.25a2 2 0 0 1 2 0l.15.08a2 2 0 0 0 2.73-.73l.22-.39a2 2 0 0 0-.73-2.73l-.15-.08a2 2 0 0 1-1-1.74v-.5a2 2 0 0 1 1-1.74l.15-.09a2 2 0 0 0 .73-2.73l-.22-.38a2 2 0 0 0-2.73-.73l-.15.08a2 2 0 0 1-2 0l-.43-.25a2 2 0 0 1-1-1.73V4a2 2 0 0 0-2-2z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-building3 { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='16' height='20' x='4' y='2' rx='2' ry='2'/%3E%3Cpath d='M9 22v-4h6v4'/%3E%3Cpath d='M8 6h.01'/%3E%3Cpath d='M16 6h.01'/%3E%3Cpath d='M12 6h.01'/%3E%3Cpath d='M12 10h.01'/%3E%3Cpath d='M12 14h.01'/%3E%3Cpath d='M16 10h.01'/%3E%3Cpath d='M16 14h.01'/%3E%3Cpath d='M8 10h.01'/%3E%3Cpath d='M8 14h.01'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-chart-bar { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 3v18h18'/%3E%3Cpath d='M18 17V9'/%3E%3Cpath d='M13 17V5'/%3E%3Cpath d='M8 17v-3'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-cloud { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17.5 19H9a7 7 0 1 1 6.71-9h1.79a4.5 4.5 0 1 1 0 9Z'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-message-circle { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M7.9 20A9 9 0 1 0 4 16.1L2 22Z'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-calendar { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='18' height='18' x='3' y='4' rx='2' ry='2'/%3E%3Cpath d='M16 2v4'/%3E%3Cpath d='M8 2v4'/%3E%3Cpath d='M3 10h18'/%3E%3C/svg%3E") no-repeat center/contain; }
.icon-award { background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230057b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='8' r='6'/%3E%3Cpath d='M15.477 12.89 17 22l-5-3-5 3 1.523-9.11'/%3E%3C/svg%3E") no-repeat center/contain; }

/* 图标容器样式 */
.icon-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.icon-container svg {
  width: 100%;
  height: 100%;
}

/* Footer icon styles */
.footer-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--secondary);
}

.footer-icon svg {
  width: 16px;
  height: 16px;
}

/* Service icon SVG styles */
.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon svg {
  width: 48px;
  height: 48px;
  color: var(--primary);
  transition: var(--transition);
}

.service-card:hover .service-icon svg {
  color: white;
}

/* Contact icon SVG styles */
.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

/* Value icon SVG styles */
.value-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-icon svg {
  width: 48px;
  height: 48px;
  color: var(--primary);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.7;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-main); }

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== HEADER ==================== */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 16px rgba(0,87,184,0.10);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -1px;
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 1px;
}
.logo-sub {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 2px;
}

/* Nav */
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: block;
  padding: 8px 16px;
  color: var(--text-mid);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: var(--bg-section);
}
.nav-cta {
  background: var(--primary);
  color: white !important;
  padding: 8px 22px;
  border-radius: 24px;
  margin-left: 8px;
  font-weight: 600;
}
.nav-cta:hover {
  background: var(--primary-dark) !important;
  color: white !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: white;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
.mobile-nav.open { display: flex; }
.mobile-nav .nav-link {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  font-size: 16px;
}
.mobile-nav .nav-link:last-child { border-bottom: none; }
.mobile-nav .nav-cta { border: none; text-align: center; margin: 12px 0 0; border-radius: 24px; padding: 12px; }

/* Page offset */
body { padding-top: 70px; }

/* ==================== FOOTER ==================== */
#site-footer {
  background: linear-gradient(135deg, #0a1628 0%, #0d2040 60%, #0a1a38 100%);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand { padding-right: 20px; }
.footer-logo-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 18px; font-weight: 900;
}
.footer-logo-name { font-size: 17px; font-weight: 700; color: white; }
.footer-desc { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.60); }
.footer-col h4 {
  color: white;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-light);
  display: inline-block;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.60);
  font-size: 13px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--secondary); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-item { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: rgba(255,255,255,0.60); }
.footer-contact-item i { color: var(--secondary); margin-top: 2px; flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,0.40);
}

/* ==================== HERO ==================== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #021a3a 0%, #0a3060 40%, #0057b8 100%);
  color: white;
  padding: 100px 0 90px;
  min-height: 560px;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,160,233,0.20) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,87,184,0.25) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 700px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 24px;
  padding: 6px 16px;
  font-size: 13px;
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}
.hero-badge span { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; display: inline-block; }
.hero h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero h1 em { font-style: normal; color: var(--secondary); }
.hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.8;
  opacity: 0.88;
  margin-bottom: 36px;
  max-width: 580px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  outline: none;
}
.btn-primary {
  background: white;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.btn-primary:hover {
  background: var(--bg-section);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  color: var(--primary-dark);
}
.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: white;
  transform: translateY(-2px);
  color: white;
}
.btn-blue {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-sm);
}
.btn-blue:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
}

/* Hero stats */
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 52px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.15);
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
}
.stat-label { font-size: 12px; opacity: 0.70; margin-top: 4px; }

/* ==================== SECTIONS ==================== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-light); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  background: var(--bg-section);
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 4px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}
.section-title em { font-style: normal; color: var(--primary); }
.section-desc {
  color: var(--text-light);
  font-size: 15px;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ==================== CARDS ==================== */
.card {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.card-body { padding: 28px; }

/* Service cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-card { background: white; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); border: 1px solid var(--border); padding: 36px 32px; transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--primary); }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 64px; height: 64px;
  border-radius: var(--radius-md);
  background: var(--bg-section);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 24px;
  transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--primary); }
.service-title { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.service-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; margin-bottom: 20px; }
.service-list { display: flex; flex-direction: column; gap: 8px; }
.service-list li {
  font-size: 13px;
  color: var(--text-mid);
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}
.service-list li::before {
  content: '▸';
  color: var(--secondary);
  position: absolute;
  left: 0;
}
.service-value {
  margin-top: 20px;
  padding: 12px 16px;
  background: var(--bg-section);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--primary-dark);
  border-left: 3px solid var(--primary);
}

/* Case cards */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.case-card {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--primary); }
.case-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 64px;
  position: relative;
  overflow: hidden;
}
.case-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.3));
}
.case-info { padding: 24px; }
.case-tag {
  display: inline-block;
  background: var(--bg-section);
  color: var(--primary);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 12px;
  margin-bottom: 10px;
}
.case-title { font-size: 17px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.case-desc { font-size: 13px; color: var(--text-light); line-height: 1.7; }
.case-more { display: flex; align-items: center; gap: 4px; color: var(--primary); font-size: 13px; margin-top: 16px; font-weight: 600; }

/* News cards */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.news-card {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--primary); }
.news-thumb {
  height: 180px;
  background: linear-gradient(135deg, var(--bg-section), var(--border));
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { padding: 20px; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.news-category {
  background: var(--bg-section);
  color: var(--primary);
  border-radius: 10px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 600;
}
.news-date { font-size: 12px; color: var(--text-light); }
.news-title { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; line-height: 1.5; }
.news-excerpt { font-size: 13px; color: var(--text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ==================== PAGE HEADER ==================== */
.page-hero {
  background: linear-gradient(135deg, #021a3a 0%, #0a3060 50%, #0057b8 100%);
  color: white;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}
.page-hero p { font-size: 15px; opacity: 0.80; position: relative; max-width: 500px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  opacity: 0.70;
  margin-bottom: 16px;
  position: relative;
}
.breadcrumb a { color: rgba(255,255,255,0.75); }
.breadcrumb a:hover { color: white; }
.breadcrumb span { opacity: 0.50; }

/* ==================== ABOUT PAGE ==================== */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h2 { font-size: 1.8rem; font-weight: 800; color: var(--text-dark); margin-bottom: 20px; line-height: 1.3; }
.about-text h2 em { font-style: normal; color: var(--primary); }
.about-text p { color: var(--text-mid); font-size: 15px; line-height: 1.9; margin-bottom: 16px; }
.about-visual {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-lg);
  padding: 48px;
  color: white;
  display: flex; flex-direction: column; gap: 24px;
}
.about-stat-row { display: flex; gap: 24px; }
.about-stat { text-align: center; flex: 1; }
.about-stat-num { font-size: 2.4rem; font-weight: 800; color: white; }
.about-stat-label { font-size: 12px; opacity: 0.80; margin-top: 4px; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.value-card {
  text-align: center;
  padding: 32px 20px;
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--primary); }
.value-icon { font-size: 40px; margin-bottom: 16px; }
.value-title { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.value-desc { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ==================== WHY US ==================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.why-item {
  display: flex;
  gap: 16px;
  padding: 28px 24px;
  background: white;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.why-item:hover { box-shadow: var(--shadow-sm); border-color: var(--primary); }
.why-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  font-weight: 800;
  flex-shrink: 0;
}
.why-content h4 { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.why-content p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ==================== CONTACT ==================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info h2 { font-size: 1.8rem; font-weight: 800; color: var(--text-dark); margin-bottom: 20px; }
.contact-info p { color: var(--text-mid); font-size: 15px; line-height: 1.9; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-section);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.contact-item-text h4 { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.contact-item-text p { font-size: 14px; color: var(--text-mid); line-height: 1.6; }
.contact-form-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
}
.contact-form-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--text-dark); margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text-mid); margin-bottom: 8px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 14px;
  color: var(--text-dark);
  background: white;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,87,184,0.10);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; padding: 15px; background: var(--primary); color: white; border: none; border-radius: 30px; font-size: 16px; font-weight: 700; cursor: pointer; transition: var(--transition); }
.form-submit:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ==================== NEWS DETAIL ==================== */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}
.article-header { margin-bottom: 40px; }
.article-title { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 800; color: var(--text-dark); margin-bottom: 16px; line-height: 1.4; }
.article-meta { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--text-light); padding: 16px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.article-meta-item { display: flex; align-items: center; gap: 6px; }
.article-body { font-size: 15px; line-height: 2; color: var(--text-mid); }
.article-body h2 { font-size: 1.3rem; font-weight: 700; color: var(--text-dark); margin: 36px 0 16px; padding-left: 12px; border-left: 4px solid var(--primary); }
.article-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin: 28px 0 12px; }
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 20px; }
.article-body li { margin-bottom: 8px; }
.article-body img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin: 24px 0; }
.article-body blockquote {
  background: var(--bg-section);
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  margin: 24px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-mid);
  font-style: italic;
}

/* ==================== PAGINATION ==================== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.page-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: white;
  color: var(--text-mid);
  font-size: 14px;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ==================== MISC ==================== */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--bg-section);
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
}
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }
.divider { width: 60px; height: 4px; background: linear-gradient(90deg, var(--primary), var(--secondary)); border-radius: 2px; margin: 0 auto 20px; }
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 32px;
  padding: 8px 16px;
  border: 1.5px solid var(--border);
  border-radius: 24px;
  transition: var(--transition);
  background: white;
}
.back-btn:hover { background: var(--bg-section); border-color: var(--primary); }

/* Loading state */
.loading-text { text-align: center; padding: 60px; color: var(--text-light); font-size: 15px; }
.loading-text::after { content: '...'; animation: dots 1.5s infinite; }
@keyframes dots {
  0%, 33% { content: '.'; }
  34%, 66% { content: '..'; }
  67%, 100% { content: '...'; }
}

/* Fade-in animation */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 60px 0 60px; min-height: auto; }
  .hero h1 { font-size: 1.8rem; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 1.6rem; }
  .services-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .about-visual { padding: 28px; }
  .about-stat-row { gap: 12px; }
  .hero-btns { gap: 12px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }
  .hero h1 { font-size: 1.5rem; }
  .hero-stats { gap: 16px; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .section-title { font-size: 1.5rem; }
  .contact-form-card { padding: 24px 20px; }
}