@charset "UTF-8";
/* ===== 智晟云官网 公共样式 ===== */
:root {
  --primary: #1A56DB;
  --primary-dark: #1548B8;
  --primary-light: #E8F0FE;
  --accent: #00B4D8;
  --text-dark: #1A202C;
  --text-body: #4A5568;
  --text-muted: #718096;
  --bg-white: #FFFFFF;
  --bg-light: #F7FAFC;
  --bg-gray: #EDF2F7;
  --border: #E2E8F0;
  --success: #38A169;
  --warning: #D69E2E;
  --danger: #E53E3E;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --radius: 10px;
  --radius-lg: 16px;
  --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text-body);
  line-height: 1.7;
  background: var(--bg-white);
  font-size: 15px;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== 导航栏 ===== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 68px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 36px; }
.nav-logo span { font-size: 20px; font-weight: 700; color: var(--text-dark); }
.nav-menu { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-menu a {
  color: var(--text-body); font-size: 15px; font-weight: 500;
  padding: 6px 0; position: relative;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); }
.nav-menu a.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--primary); border-radius: 1px;
}
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 12px 0; min-width: 200px; margin-top: 8px;
}
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-menu.show { display: block; }
.nav-dropdown-menu a {
  display: block; padding: 10px 20px; color: var(--text-body); font-size: 14px;
}
.nav-dropdown-menu a:hover { background: var(--bg-light); color: var(--primary); }
.nav-cta {
  background: var(--primary); color: #fff !important; padding: 8px 20px !important;
  border-radius: 6px; font-weight: 600 !important;
}
.nav-cta:hover { background: var(--primary-dark); color: #fff !important; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, #F0F5FF 0%, #E8F0FE 50%, #F0FDFF 100%);
  padding: 60px 0 70px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -100px; right: -100px; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(26,86,219,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero h1 {
  font-size: 32px; font-weight: 800; color: var(--text-dark);
  line-height: 1.25; margin-bottom: 20px;
}
.hero h1 .highlight { color: var(--primary); }
.hero p { font-size: 15px; color: var(--text-body); margin-bottom: 32px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px; font-size: 15px; font-weight: 600;
  cursor: pointer; border: none; transition: all 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-ghost { background: transparent; color: var(--text-body); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.hero-visual {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 16px; border: 1px solid var(--border);
}
.hero-visual img { border-radius: 8px; width: 100%; }

/* ===== 通用Section ===== */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-light); }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block; padding: 4px 14px; background: var(--primary-light);
  color: var(--primary); border-radius: 20px; font-size: 13px; font-weight: 600;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 28px; font-weight: 700; color: var(--text-dark); margin-bottom: 16px; line-height: 1.3;
}
.section-header p { font-size: 15px; color: var(--text-muted); }

/* ===== 卡片网格 ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }

.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all 0.25s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--primary-light); }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
  margin-bottom: 18px;
}
.card h3 { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== 产品展示 ===== */
.product-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-bottom: 72px; }
.product-showcase.reverse { direction: rtl; }
.product-showcase.reverse > * { direction: ltr; }
.product-info h3 { font-size: 22px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; }
.product-info .product-slogan { font-size: 15px; color: var(--primary); font-weight: 600; margin-bottom: 16px; }
.product-info p { font-size: 14px; color: var(--text-body); margin-bottom: 20px; line-height: 1.8; }
.product-features { list-style: none; margin-bottom: 24px; }
.product-features li {
  padding: 8px 0; display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--text-body);
}
.product-features li::before {
  content: '\2713'; color: var(--success); font-weight: 700; flex-shrink: 0;
}
.product-image {
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: 12px; border: 1px solid var(--border);
}
.product-image img { border-radius: 8px; width: 100%; }

/* ===== 数据统计 ===== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item h3 { font-size: 28px; font-weight: 800; color: var(--primary); margin-bottom: 6px; }
.stat-item p { font-size: 14px; color: var(--text-muted); }

/* ===== 功能模块列表 ===== */
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature-item {
  display: flex; gap: 14px; padding: 18px; background: #fff;
  border: 1px solid var(--border); border-radius: var(--radius);
}
.feature-item .fi-icon {
  width: 40px; height: 40px; border-radius: 8px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0;
}
.feature-item h4 { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.feature-item p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

/* ===== 界面截图展示 ===== */
.screenshot-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.screenshot-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: all 0.25s;
}
.screenshot-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.screenshot-card img { width: 100%; height: auto; }
.screenshot-card .sc-caption {
  padding: 14px 18px; font-size: 14px; font-weight: 600; color: var(--text-dark);
  border-top: 1px solid var(--border);
}

/* ===== 行业模板 ===== */
.industry-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.industry-tag {
  padding: 8px 18px; background: #fff; border: 1px solid var(--border);
  border-radius: 20px; font-size: 14px; color: var(--text-body); transition: all 0.2s;
}
.industry-tag:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* ===== 定价/方案 ===== */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.pricing-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px; text-align: center; position: relative; transition: all 0.25s;
}
.pricing-card.featured { border-color: var(--primary); box-shadow: var(--shadow-lg); }
.pricing-card.featured::before {
  content: '推荐'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff; padding: 4px 16px; border-radius: 12px;
  font-size: 12px; font-weight: 600;
}
.pricing-card h3 { font-size: 20px; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.pricing-card .price { font-size: 30px; font-weight: 800; color: var(--primary); margin: 16px 0; }
.pricing-card .price span { font-size: 14px; color: var(--text-muted); font-weight: 400; }
.pricing-card ul { list-style: none; text-align: left; margin: 24px 0; }
.pricing-card li { padding: 8px 0; font-size: 14px; color: var(--text-body); display: flex; gap: 8px; }
.pricing-card li::before { content: '\2713'; color: var(--success); font-weight: 700; }

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--radius-lg); padding: 56px; text-align: center; color: #fff;
}
.cta-banner h2 { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.cta-banner p { font-size: 15px; opacity: 0.9; margin-bottom: 28px; }
.cta-banner .btn { background: #fff; color: var(--primary); }
.cta-banner .btn:hover { background: var(--bg-light); }

/* ===== 页脚 ===== */
.footer { background: #1A202C; color: #A0AEC0; padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand img { height: 36px; margin-bottom: 16px; filter: brightness(0) invert(1); opacity: 0.9; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-bottom: 16px; }
.footer h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 10px; }
.footer a { color: #A0AEC0; font-size: 14px; }
.footer a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 8px; font-size: 14px; }
.footer-bottom {
  border-top: 1px solid #2D3748; padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; font-size: 13px;
}
.footer-bottom a { color: #A0AEC0; }

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 16px 0; font-size: 14px; color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 8px; }

/* ===== 产品页Hero ===== */
.product-hero {
  background: linear-gradient(135deg, #F0F5FF 0%, #E8F0FE 100%);
  padding: 60px 0 80px;
}
.product-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.product-hero h1 { font-size: 30px; font-weight: 800; color: var(--text-dark); margin-bottom: 14px; }
.product-hero .slogan { font-size: 16px; color: var(--primary); font-weight: 600; margin-bottom: 18px; }
.product-hero p { font-size: 15px; color: var(--text-body); margin-bottom: 24px; line-height: 1.8; }
.product-badges { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.product-badge {
  padding: 6px 14px; background: #fff; border: 1px solid var(--border);
  border-radius: 20px; font-size: 13px; color: var(--text-body);
}

/* ===== 模块详情 ===== */
.module-detail { margin-bottom: 56px; }
.module-detail h3 {
  font-size: 19px; font-weight: 700; color: var(--text-dark); margin-bottom: 16px;
  padding-left: 14px; border-left: 4px solid var(--primary);
}
.module-detail > p { font-size: 15px; color: var(--text-body); margin-bottom: 20px; line-height: 1.8; }

/* ===== 联系页面 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info h3 { font-size: 19px; font-weight: 700; color: var(--text-dark); margin-bottom: 24px; }
.contact-item { display: flex; gap: 14px; margin-bottom: 24px; }
.contact-item .ci-icon {
  width: 44px; height: 44px; border-radius: 10px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0;
}
.contact-item h4 { font-size: 15px; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; }
.contact-item p { font-size: 14px; color: var(--text-body); }
.branch-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 24px; }
.branch-card {
  padding: 18px; background: var(--bg-light); border-radius: var(--radius);
  border: 1px solid var(--border);
}
.branch-card h4 { font-size: 15px; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.branch-card p { font-size: 13px; color: var(--text-muted); }
.contact-form {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 36px; box-shadow: var(--shadow-sm);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; font-family: inherit; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== 关于页面 ===== */
.about-hero { text-align: center; padding: 60px 0; }
.about-hero h1 { font-size: 30px; font-weight: 800; color: var(--text-dark); margin-bottom: 16px; }
.about-hero p { font-size: 15px; color: var(--text-body); max-width: 700px; margin: 0 auto; line-height: 1.8; }
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 40px; }
.timeline::before {
  content: ''; position: absolute; left: 12px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item::before {
  content: ''; position: absolute; left: -34px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%; background: var(--primary);
  border: 3px solid #fff; box-shadow: 0 0 0 2px var(--primary);
}
.timeline-item .year { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.timeline-item h4 { font-size: 16px; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; }
.timeline-item p { font-size: 14px; color: var(--text-muted); }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .hero-grid, .product-showcase, .product-hero-grid, .contact-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .pricing-grid { grid-template-columns: 1fr; }
  .grid-2, .feature-list, .screenshot-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 24px; }
  .section-header h2 { font-size: 22px; }
  .nav-menu { display: none; }
  .form-row { grid-template-columns: 1fr; }
}