/* ============================================================
   动起来（济南）信息技术有限公司 - 企业门户网站
   视觉规范：深邃工程蓝 + 安全橙/科技青点缀
   设计理念：现代工程科技风，大数据留白，严谨稳定
   ============================================================ */

/* ============ CSS Variables ============ */
:root {
  --color-deep:    #0A2540;
  --color-primary: #1E3A8A;
  --color-primary-light: #2563EB;
  --color-orange:  #F97316;
  --color-orange-hover: #EA580C;
  --color-cyan:    #06B6D4;
  --color-cyan-light: #E0F7FA;
  --color-white:   #FFFFFF;
  --color-bg:      #F8FAFC;
  --color-gray-50: #F9FAFB;
  --color-gray-100:#F1F5F9;
  --color-gray-200:#E2E8F0;
  --color-gray-300:#CBD5E1;
  --color-gray-400:#94A3B8;
  --color-gray-500:#64748B;
  --color-gray-600:#475569;
  --color-gray-700:#334155;
  --color-gray-800:#1E293B;
  --color-gray-900:#0F172A;

  --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'SF Mono', 'Consolas', monospace;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --max-width: 1280px;
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ============ Typography ============ */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-orange);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-deep);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--color-gray-500);
  max-width: 640px;
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; font-size: 0.95rem; font-weight: 600; border-radius: var(--radius-sm);
  transition: all var(--transition); white-space: nowrap;
}
.btn-primary {
  background: var(--color-orange); color: var(--color-white);
  box-shadow: 0 4px 14px rgba(249,115,22,.35);
}
.btn-primary:hover { background: var(--color-orange-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(249,115,22,.45); }
.btn-outline {
  background: transparent; color: var(--color-white); border: 2px solid rgba(255,255,255,.35);
}
.btn-outline:hover { border-color: var(--color-white); background: rgba(255,255,255,.08); }
.btn-outline-dark {
  background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary);
}
.btn-outline-dark:hover { background: var(--color-primary); color: var(--color-white); }
.btn-ghost {
  background: transparent; color: var(--color-primary); padding: 6px 0;
}
.btn-ghost:hover { color: var(--color-primary-light); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* ============ Header / Navbar ============ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,37,64,.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: all var(--transition);
}
.header.scrolled { background: rgba(10,37,64,.98); box-shadow: var(--shadow-lg); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 40px; height: 40px; background: linear-gradient(135deg, var(--color-orange), var(--color-cyan));
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1.1rem; color: var(--color-white);
}
.logo-text { font-size: 1.15rem; font-weight: 700; color: var(--color-white); letter-spacing: 0.5px; }
.logo-text span { font-weight: 400; color: var(--color-gray-400); font-size: 0.8rem; margin-left: 6px; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-size: 0.92rem; font-weight: 500; color: var(--color-gray-300);
  position: relative; padding: 4px 0; transition: color var(--transition);
}
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--color-orange); transform: scaleX(0); transition: transform var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--color-white); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.header-phone {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.92rem; font-weight: 600; color: var(--color-cyan);
}
.header-phone .phone-icon { font-size: 1.1rem; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; padding: 4px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--color-white); border-radius: 2px; transition: all var(--transition); }

/* ============ Footer ============ */
.footer {
  background: var(--color-gray-900); color: var(--color-gray-400);
  padding: 60px 0 30px; font-size: 0.92rem;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px; max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
}
.footer-brand h3 { font-size: 1.3rem; color: var(--color-white); margin-bottom: 12px; }
.footer-brand p { line-height: 1.8; }
.footer-col h4 { font-size: 1rem; color: var(--color-white); margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col li a { color: var(--color-gray-400); transition: color var(--transition); }
.footer-col li a:hover { color: var(--color-cyan); }
.footer-bottom {
  max-width: var(--max-width); margin: 40px auto 0; padding: 24px 24px 0;
  border-top: 1px solid var(--color-gray-700); display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; font-size: 0.85rem;
}

/* ============ Page Hero (通用) ============ */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--color-deep) 0%, var(--color-primary) 100%);
  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 .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: var(--color-white); margin-bottom: 16px; }
.page-hero p { font-size: 1.15rem; color: var(--color-gray-300); max-width: 640px; margin: 0 auto; }

/* ============ Section Padding ============ */
.section { padding: 100px 0; }
.section-dark { background: var(--color-bg); }
.section-deep { background: var(--color-deep); color: var(--color-white); }

/* ============ Card ============ */
.card {
  background: var(--color-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); padding: 36px 32px;
  transition: all var(--transition); border: 1px solid var(--color-gray-100);
}
.card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); border-color: var(--color-gray-200); }

/* ============ Grid helpers ============ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ============ Text center helper ============ */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; }
.mb-32 { margin-bottom: 32px; }

/* ============================================================
   首页专用样式
   ============================================================ */

/* Hero Section */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--color-deep) 0%, #061a2e 40%, var(--color-primary) 100%);
  position: relative; overflow: hidden; padding: 120px 0 80px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Cpath d='M60 50v-8h-4v8h-8v4h8v8h4v-8h8v-4h-8zm-40-4h-4v8H8v4h8v8h4v-8h8v-4h-8zM40 20v-8h-4v8h-8v4h8v8h4v-8h8v-4h-8zM20 10V2h-4v8H8v4h8v8h4v-8h8v-4h-8z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem); font-weight: 900;
  color: var(--color-white); line-height: 1.2; margin-bottom: 20px;
}
.hero-content h1 em { font-style: normal; color: var(--color-cyan); }
.hero-content .hero-subtitle { font-size: 1.2rem; color: var(--color-gray-300); margin-bottom: 12px; font-weight: 600; }
.hero-content .hero-desc { font-size: 1.05rem; color: var(--color-gray-400); margin-bottom: 36px; line-height: 1.8; max-width: 520px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  display: flex; justify-content: center; position: relative;
}
.hero-mockup {
  width: 100%; max-width: 520px; aspect-ratio: 4/3;
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center; position: relative;
  backdrop-filter: blur(10px); box-shadow: 0 25px 50px rgba(0,0,0,.4);
}
.hero-mockup-inner {
  text-align: center; color: var(--color-gray-400); position: relative; z-index: 1;
}
.hero-mockup-icon { font-size: 4rem; margin-bottom: 12px; }
.hero-mockup-title { font-size: 1.1rem; font-weight: 700; color: var(--color-white); margin-bottom: 20px; }
.hero-data-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hero-data-panel {
  background: rgba(255,255,255,.06); border-radius: var(--radius-sm); padding: 16px;
  border: 1px solid rgba(255,255,255,.08);
}
.hero-data-panel .value { font-size: 1.6rem; font-weight: 800; color: var(--color-cyan); }
.hero-data-panel .label { font-size: 0.75rem; color: var(--color-gray-400); margin-top: 4px; }

.hero-floating-badge {
  position: absolute; top: 24px; right: -12px;
  background: var(--color-orange); color: white; padding: 8px 16px;
  border-radius: 20px; font-size: 0.8rem; font-weight: 700;
  box-shadow: 0 8px 24px rgba(249,115,22,.4); animation: float 3s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* Data Highlights */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item {
  text-align: center; padding: 40px 20px; position: relative;
}
.stat-item:not(:last-child)::after {
  content: ''; position: absolute; right: 0; top: 20%; bottom: 20%;
  width: 1px; background: var(--color-gray-200);
}
.stat-number { font-size: 2.8rem; font-weight: 900; color: var(--color-primary); line-height: 1; }
.stat-number span { color: var(--color-orange); }
.stat-label { font-size: 0.95rem; color: var(--color-gray-500); margin-top: 8px; }

/* 功能介绍图标卡片 */
.feature-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
}
.feature-icon.blue { background: #DBEAFE; color: var(--color-primary); }
.feature-icon.orange { background: #FFF7ED; color: var(--color-orange); }
.feature-icon.cyan { background: #E0F7FA; color: var(--color-cyan); }
.feature-icon.green { background: #DCFCE7; color: #16A34A; }
.feature-icon.purple { background: #F3E8FF; color: #9333EA; }
.feature-icon.rose { background: #FFE4E6; color: #E11D48; }
.feature-icon.amber { background: #FEF3C7; color: #D97706; }
.feature-icon.indigo { background: #E0E7FF; color: #4F46E5; }

.feature-card h4 { font-size: 1.05rem; color: var(--color-gray-900); margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--color-gray-500); line-height: 1.7; }

/* Solution cards (首页) */
.solution-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  min-height: 260px; display: flex; align-items: flex-end; cursor: pointer;
  background-size: cover; background-position: center;
}
.solution-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,37,64,.88) 0%, rgba(10,37,64,.3) 40%, transparent 100%);
  transition: all var(--transition);
}
.solution-card:hover::before { background: linear-gradient(to top, rgba(10,37,64,.95) 0%, rgba(10,37,64,.4) 50%, transparent 100%); }
.solution-card-content { position: relative; z-index: 1; padding: 32px; color: var(--color-white); }
.solution-card-content h3 { font-size: 1.25rem; margin-bottom: 6px; }
.solution-card-content p { font-size: 0.9rem; color: var(--color-gray-300); }
.sol-card-1 { background: linear-gradient(135deg, #1E3A8A, #2563EB); }
.sol-card-2 { background: linear-gradient(135deg, #0F766E, #06B6D4); }
.sol-card-3 { background: linear-gradient(135deg, #6D28D9, #8B5CF6); }

/* Bottom CTA */
.cta-section {
  background: linear-gradient(135deg, var(--color-deep), #0F2B4A);
  text-align: center; padding: 90px 0; position: relative; overflow: hidden;
}
.cta-section::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='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); color: var(--color-white); margin-bottom: 12px; }
.cta-section p { color: var(--color-gray-400); margin-bottom: 32px; font-size: 1.05rem; }
.cta-phone { font-size: 2rem; font-weight: 800; color: var(--color-cyan); display: inline-flex; align-items: center; gap: 10px; }

/* ============================================================
   产品中心页专用样式
   ============================================================ */

.product-flow {
  display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; padding: 20px 0;
}
.flow-step {
  text-align: center; padding: 20px 16px; min-width: 110px; position: relative;
}
.flow-step::after {
  content: '→'; position: absolute; right: -4px; top: 50%; transform: translateY(-50%);
  font-size: 1.4rem; color: var(--color-gray-300); font-weight: 300;
}
.flow-step:last-child::after { display: none; }
.flow-icon {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; background: var(--color-cyan-light); color: var(--color-cyan);
  border: 2px solid var(--color-cyan);
}
.flow-label { font-size: 0.85rem; font-weight: 600; color: var(--color-gray-700); }

/* Tab sidebar layout */
.product-detail-layout { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; }
.module-nav { position: sticky; top: 100px; }
.module-nav-item {
  display: block; width: 100%; text-align: left; padding: 14px 18px;
  font-size: 0.92rem; font-weight: 500; color: var(--color-gray-600);
  border-radius: var(--radius-sm); border-left: 3px solid transparent;
  transition: all var(--transition); background: none; margin-bottom: 4px;
}
.module-nav-item:hover { background: var(--color-gray-50); color: var(--color-primary); }
.module-nav-item.active { background: #DBEAFE; color: var(--color-primary); border-left-color: var(--color-primary); font-weight: 700; }
.module-detail { min-height: 400px; }
.module-detail h3 { font-size: 1.5rem; color: var(--color-deep); margin-bottom: 12px; }
.module-detail .detail-tag { display: inline-block; padding: 3px 12px; border-radius: 20px; font-size: 0.78rem; margin-bottom: 12px; }
.module-detail .detail-intro { font-size: 1rem; color: var(--color-gray-600); margin-bottom: 24px; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-top: 24px; }
.detail-item {
  background: var(--color-gray-50); border-radius: var(--radius-sm); padding: 20px;
  border-left: 3px solid var(--color-primary);
}
.detail-item h5 { font-size: 0.9rem; color: var(--color-primary); margin-bottom: 6px; }
.detail-item p { font-size: 0.85rem; color: var(--color-gray-500); line-height: 1.7; }

/* ============================================================
   解决方案页专用样式
   ============================================================ */

.solution-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  padding: 60px 0; border-bottom: 1px solid var(--color-gray-100);
}
.solution-block:last-child { border-bottom: none; }
.solution-block.reverse .solution-block-img { order: -1; }
.solution-block-tag {
  display: inline-block; padding: 4px 14px; border-radius: 20px;
  font-size: 0.78rem; font-weight: 700; margin-bottom: 16px;
}
.tag-blue { background: #DBEAFE; color: var(--color-primary); }
.tag-orange { background: #FFF7ED; color: var(--color-orange); }
.tag-purple { background: #F3E8FF; color: #7C3AED; }
.solution-block h3 { font-size: 1.6rem; color: var(--color-deep); margin-bottom: 16px; }
.solution-block .pain-points { margin-bottom: 16px; }
.solution-block .pain-points li {
  display: flex; align-items: flex-start; gap: 8px; margin-bottom: 8px;
  font-size: 0.95rem; color: var(--color-gray-600);
}
.solution-block .pain-points li::before {
  content: '⚠'; flex-shrink: 0; font-size: 0.9rem;
}
.solution-block .solution-points { margin-bottom: 16px; }
.solution-block .solution-points li {
  display: flex; align-items: flex-start; gap: 8px; margin-bottom: 8px;
  font-size: 0.95rem; color: var(--color-gray-600);
}
.solution-block .solution-points li::before {
  content: '✓'; flex-shrink: 0; color: var(--color-cyan); font-weight: 700;
}
.solution-block .value-tag {
  display: inline-block; padding: 8px 20px; background: linear-gradient(135deg, var(--color-orange), var(--color-cyan));
  color: white; border-radius: 20px; font-size: 0.85rem; font-weight: 600;
}
.solution-block-img {
  background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-200));
  border-radius: var(--radius-lg); aspect-ratio: 4/3; display: flex; align-items: center;
  justify-content: center; font-size: 5rem; color: var(--color-gray-300);
}

/* ============================================================
   技术服务页专用样式
   ============================================================ */

.service-card {
  text-align: center; padding: 40px 28px;
}
.service-card .service-icon {
  width: 64px; height: 64px; border-radius: var(--radius-md); margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
  background: linear-gradient(135deg, var(--color-cyan-light), #DBEAFE);
  color: var(--color-primary);
}
.service-card h4 { font-size: 1.1rem; color: var(--color-deep); margin-bottom: 10px; }
.service-card p { font-size: 0.9rem; color: var(--color-gray-500); line-height: 1.7; }

/* ============================================================
   关于我们页专用样式
   ============================================================ */

.about-intro { max-width: 800px; margin: 0 auto; font-size: 1.1rem; line-height: 2; color: var(--color-gray-600); text-align: center; }

.advantage-block {
  display: flex; gap: 32px; align-items: center; padding: 36px 0;
  border-bottom: 1px solid var(--color-gray-100);
}
.advantage-block:last-child { border-bottom: none; }
.advantage-num {
  font-size: 3rem; font-weight: 900; color: var(--color-gray-200); line-height: 1;
  min-width: 72px; text-align: center;
}
.advantage-content h4 { font-size: 1.15rem; color: var(--color-deep); margin-bottom: 6px; }
.advantage-content p { font-size: 0.95rem; color: var(--color-gray-500); line-height: 1.7; }

/* ============================================================
   联系我们页专用样式
   ============================================================ */

.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h2 { font-size: 1.8rem; color: var(--color-deep); margin-bottom: 24px; }
.contact-info-item {
  display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px;
}
.contact-info-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-cyan-light); color: var(--color-primary); font-size: 1.2rem;
}
.contact-info-item h4 { font-size: 0.85rem; color: var(--color-gray-400); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-info-item .info-value { font-size: 1.05rem; color: var(--color-deep); font-weight: 600; }
.contact-info-item .info-big { font-size: 1.4rem; color: var(--color-orange); font-weight: 800; }
.contact-form {
  background: var(--color-white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); padding: 40px; border: 1px solid var(--color-gray-100);
}
.contact-form h3 { font-size: 1.3rem; color: var(--color-deep); margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--color-gray-700); margin-bottom: 6px; }
.form-group label .required { color: var(--color-orange); margin-left: 2px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-sm); font-size: 0.95rem; font-family: inherit;
  transition: border-color var(--transition); background: var(--color-gray-50); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--color-primary); background: var(--color-white); box-shadow: 0 0 0 3px rgba(30,58,138,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; }

/* Map placeholder */
.map-placeholder {
  background: var(--color-gray-100); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  min-height: 300px; color: var(--color-gray-400); font-size: 1rem;
}
.map-placeholder-inner { text-align: center; }
.map-placeholder-inner .map-icon { font-size: 3rem; margin-bottom: 8px; }

/* ============================================================
   Mobile floating call button
   ============================================================ */
.mobile-call-btn {
  display: none; position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--color-orange); color: white; font-size: 1.5rem;
  box-shadow: 0 4px 20px rgba(249,115,22,.5); align-items: center; justify-content: center;
  transition: transform var(--transition);
}
.mobile-call-btn:hover { transform: scale(1.08); }

/* ============================================================
   Animations
   ============================================================ */
.fade-in-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   Responsive Design
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .product-detail-layout { grid-template-columns: 1fr; }
  .module-nav { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
  .module-nav-item { border-left: none; border-bottom: 3px solid transparent; border-radius: 0; white-space: nowrap; }
  .module-nav-item.active { border-left-color: transparent; border-bottom-color: var(--color-primary); }
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .solution-block { grid-template-columns: 1fr; gap: 32px; }
  .solution-block.reverse .solution-block-img { order: 0; }
}

@media (max-width: 768px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content .hero-desc { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }
  .hero-floating-badge { display: none; }

  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(10,37,64,.98); flex-direction: column; padding: 20px; gap: 16px;
    border-bottom: 1px solid rgba(255,255,255,.1); }
  .nav.open { display: flex; }
  .menu-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .header-phone { font-size: 0.85rem; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { padding: 24px 12px; }
  .stat-number { font-size: 2rem; }

  .grid-2, .grid-3, .grid-6 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }

  .contact-layout { grid-template-columns: 1fr; }
  .mobile-call-btn { display: flex; }

  .product-flow { gap: 8px; }
  .flow-step { min-width: 80px; padding: 12px 8px; }
  .flow-step::after { right: -12px; font-size: 1rem; }
  .flow-icon { width: 40px; height: 40px; font-size: 1.2rem; }

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

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}