/* ========== 鹏云 PengCloud - 全局样式 ========== */
:root {
  --primary: #1677ff;
  --primary-dark: #0958d9;
  --primary-light: #4096ff;
  --accent: #00d4ff;
  --gradient-1: linear-gradient(135deg, #1677ff 0%, #00d4ff 100%);
  --gradient-2: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-3: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --text-1: #1d2129;
  --text-2: #4e5969;
  --text-3: #86909c;
  --text-4: #c9cdd4;
  --bg-1: #ffffff;
  --bg-2: #f7f8fa;
  --bg-3: #f2f3f5;
  --border: #e5e6eb;
  --border-light: #f2f3f5;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.03), 0 1px 6px -1px rgba(0,0,0,0.02), 0 2px 4px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
  --shadow-xl: 0 16px 48px rgba(22,119,255,0.15), 0 8px 16px rgba(0,0,0,0.06);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --max-width: 1280px;
  --header-height: 64px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; outline: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-bg { background: var(--bg-2); }

/* ========== 顶部公告条 ========== */
.top-bar {
  background: linear-gradient(90deg, #1677ff, #00d4ff);
  color: #fff;
  font-size: 13px;
  padding: 8px 0;
  text-align: center;
}
.top-bar a { color: #fff; text-decoration: underline; margin-left: 8px; }

/* ========== 导航栏 ========== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border-light);
  height: var(--header-height);
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
}
.logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient-1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; font-weight: 800;
  box-shadow: 0 4px 12px rgba(22,119,255,0.3);
}
.logo span { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav-item {
  position: relative;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--text-2);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}
.nav-item:hover, .nav-item.active { color: var(--primary); background: rgba(22,119,255,0.06); }
.nav-item .arrow { font-size: 10px; margin-left: 4px; transition: transform 0.2s; }
.nav-item:hover .arrow { transform: rotate(180deg); }

.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  padding: 16px;
  min-width: 560px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  transition: var(--transition);
}
.dropdown a:hover { background: var(--bg-2); }
.dropdown .dd-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.dropdown .dd-title { font-size: 14px; font-weight: 600; color: var(--text-1); margin-bottom: 2px; }
.dropdown .dd-desc { font-size: 12px; color: var(--text-3); line-height: 1.4; }

.header-actions { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary { background: var(--gradient-1); color: #fff; box-shadow: 0 4px 12px rgba(22,119,255,0.25); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(22,119,255,0.35); color: #fff; }
.btn-outline { border-color: var(--border); color: var(--text-2); background: #fff; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { color: var(--text-2); }
.btn-ghost:hover { color: var(--primary); background: var(--bg-2); }
.btn-lg { padding: 12px 28px; font-size: 15px; }
.btn-sm { padding: 6px 14px; font-size: 13px; }

.menu-toggle { display: none; font-size: 24px; color: var(--text-1); }

/* ========== Hero 区域 ========== */
.hero {
  position: relative;
  padding: 100px 0 120px;
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(22,119,255,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,212,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(22,119,255,0.08);
  border: 1px solid rgba(22,119,255,0.15);
  border-radius: 100px;
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 24px;
}
.hero-badge .dot { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-1);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 .highlight { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 540px;
}
.hero-actions { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; }
.hero-stat .num { font-size: 28px; font-weight: 700; color: var(--text-1); }
.hero-stat .num span { font-size: 16px; color: var(--text-3); font-weight: 400; }
.hero-stat .label { font-size: 13px; color: var(--text-3); margin-top: 2px; }

.hero-visual {
  position: relative;
  height: 440px;
}
.hero-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 20px;
  border: 1px solid var(--border-light);
}
.hero-card.main {
  width: 340px;
  top: 20px; right: 0;
  z-index: 3;
}
.hero-card.sub1 {
  width: 240px;
  top: 180px; left: 0;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}
.hero-card.sub2 {
  width: 200px;
  bottom: 10px; right: 40px;
  z-index: 2;
  animation: float 7s ease-in-out infinite reverse;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.hc-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.hc-title { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.hc-status { font-size: 11px; padding: 2px 8px; border-radius: 100px; background: #e8ffea; color: #00b42a; }
.hc-bar { height: 6px; background: var(--bg-3); border-radius: 3px; margin: 8px 0; overflow: hidden; }
.hc-bar-fill { height: 100%; border-radius: 3px; background: var(--gradient-1); }
.hc-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-3); margin-top: 6px; }
.hc-row b { color: var(--text-1); font-weight: 600; }
.hc-chart { display: flex; align-items: flex-end; gap: 4px; height: 60px; margin-top: 10px; }
.hc-chart div { flex: 1; background: var(--gradient-1); border-radius: 3px 3px 0 0; opacity: 0.7; }

/* ========== 通用标题 ========== */
.section-head { text-align: center; margin-bottom: 56px; }
.section-head .tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(22,119,255,0.08);
  color: var(--primary);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.section-head p { font-size: 16px; color: var(--text-2); max-width: 640px; margin: 0 auto; }

/* ========== 产品卡片网格 ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-card:hover::before { transform: scaleX(1); }
.pc-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}
.pc-title { font-size: 17px; font-weight: 600; color: var(--text-1); margin-bottom: 8px; }
.pc-desc { font-size: 13px; color: var(--text-3); line-height: 1.6; margin-bottom: 14px; }
.pc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pc-tag { font-size: 11px; padding: 2px 8px; background: var(--bg-2); color: var(--text-3); border-radius: 4px; }
.pc-arrow { position: absolute; top: 24px; right: 24px; font-size: 16px; color: var(--text-4); transition: var(--transition); }
.product-card:hover .pc-arrow { color: var(--primary); transform: translateX(3px); }

/* ========== 数据统计区 ========== */
.stats-band {
  background: var(--gradient-1);
  padding: 60px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-band::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='0.05'%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");
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
  text-align: center;
}
.stat-item .stat-num { font-size: 44px; font-weight: 800; margin-bottom: 6px; }
.stat-item .stat-num small { font-size: 20px; font-weight: 500; }
.stat-item .stat-label { font-size: 15px; opacity: 0.9; }

/* ========== 特性/优势区 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.feature-card p { font-size: 14px; color: var(--text-2); line-height: 1.7; }
.feature-list { margin-top: 16px; }
.feature-list li { font-size: 13px; color: var(--text-2); padding: 5px 0; display: flex; align-items: center; gap: 8px; }
.feature-list li::before { content: '✓'; color: var(--primary); font-weight: 700; }

/* ========== 解决方案卡片 ========== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 320px;
  cursor: pointer;
  transition: var(--transition);
}
.solution-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.solution-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
  opacity: 0.15;
}
.solution-content {
  position: absolute;
  inset: 0;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.6) 100%);
  color: #fff;
}
.solution-content h3 { font-size: 22px; font-weight: 600; margin-bottom: 8px; }
.solution-content p { font-size: 14px; opacity: 0.9; line-height: 1.6; }
.solution-content .more { margin-top: 12px; font-size: 13px; display: flex; align-items: center; gap: 4px; }

/* ========== 客户案例 ========== */
.customer-logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.customer-logo {
  height: 72px;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-3);
  transition: var(--transition);
}
.customer-logo:hover { color: var(--primary); border-color: var(--primary-light); box-shadow: var(--shadow-sm); }

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.case-cover {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: #fff;
}
.case-body { padding: 24px; }
.case-industry { font-size: 12px; color: var(--primary); font-weight: 500; margin-bottom: 8px; }
.case-title { font-size: 17px; font-weight: 600; margin-bottom: 10px; line-height: 1.4; }
.case-desc { font-size: 13px; color: var(--text-3); line-height: 1.6; margin-bottom: 14px; }
.case-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-3); }
.case-meta span { display: flex; align-items: center; gap: 4px; }

/* ========== 新闻动态 ========== */
.news-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  cursor: pointer;
}
.news-card:hover { box-shadow: var(--shadow-md); }
.news-cover {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: #fff;
}
.news-card.featured .news-cover { height: 240px; }
.news-body { padding: 20px 24px; }
.news-tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  background: rgba(22,119,255,0.08);
  color: var(--primary);
  border-radius: 4px;
  margin-bottom: 10px;
}
.news-title { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; }
.news-card.featured .news-title { font-size: 20px; }
.news-summary { font-size: 13px; color: var(--text-3); line-height: 1.6; margin-bottom: 12px; }
.news-date { font-size: 12px; color: var(--text-4); }

/* ========== CTA 区域 ========== */
.cta-band {
  background: var(--gradient-1);
  border-radius: var(--radius-xl);
  padding: 64px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-band h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; position: relative; }
.cta-band p { font-size: 16px; opacity: 0.9; margin-bottom: 28px; position: relative; }
.cta-band .btn { background: #fff; color: var(--primary); position: relative; }
.cta-band .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.cta-band .btn-outline:hover { background: rgba(255,255,255,0.1); color: #fff; }

/* ========== 页脚 ========== */
.footer {
  background: #1d2129;
  color: #c9cdd4;
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo span { color: #fff; -webkit-text-fill-color: #fff; }
.footer-brand p { font-size: 13px; line-height: 1.7; color: #86909c; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 13px; color: #86909c; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #86909c;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom-links { display: flex; gap: 20px; }

/* ========== 面包屑 ========== */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--text-3);
}
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; }

/* ========== 页面头部（内页） ========== */
.page-hero {
  padding: 60px 0 80px;
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(22,119,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero h1 { font-size: 40px; font-weight: 700; margin-bottom: 16px; position: relative; }
.page-hero p { font-size: 17px; color: var(--text-2); max-width: 640px; position: relative; }

/* ========== 产品分类标签 ========== */
.product-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  justify-content: center;
}
.product-tab {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 14px;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.product-tab:hover { border-color: var(--primary); color: var(--primary); }
.product-tab.active { background: var(--gradient-1); color: #fff; border-color: transparent; }

/* ========== 定价表格 ========== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.pricing-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
  transform: scale(1.03);
}
.pricing-card.featured:hover { transform: scale(1.03) translateY(-4px); }
.pricing-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-1);
  color: #fff;
  font-size: 12px;
  padding: 4px 16px;
  border-radius: 100px;
  font-weight: 500;
}
.pricing-name { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.pricing-desc { font-size: 13px; color: var(--text-3); margin-bottom: 24px; min-height: 40px; }
.pricing-price { margin-bottom: 24px; }
.pricing-price .amount { font-size: 40px; font-weight: 700; color: var(--text-1); }
.pricing-price .unit { font-size: 14px; color: var(--text-3); }
.pricing-price .original { font-size: 13px; color: var(--text-4); text-decoration: line-through; margin-left: 8px; }
.pricing-features { flex: 1; margin-bottom: 28px; }
.pricing-features li {
  font-size: 14px;
  color: var(--text-2);
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-features li::before { content: '✓'; color: #00b42a; font-weight: 700; }
.pricing-features li.disabled { color: var(--text-4); }
.pricing-features li.disabled::before { content: '—'; color: var(--text-4); }

/* ========== 对比表格 ========== */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.compare-table th, .compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
}
.compare-table th {
  background: var(--bg-2);
  font-weight: 600;
  color: var(--text-1);
}
.compare-table td { color: var(--text-2); }
.compare-table tr:last-child td { border-bottom: none; }
.compare-table .check { color: #00b42a; font-weight: 700; }
.compare-table .cross { color: var(--text-4); }

/* ========== 时间线 ========== */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--border);
}
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--primary);
}
.timeline-year { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.timeline-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.timeline-desc { font-size: 14px; color: var(--text-2); line-height: 1.6; }

/* ========== 团队 ========== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.team-avatar {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  color: #fff;
}
.team-info { padding: 20px; }
.team-name { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.team-role { font-size: 13px; color: var(--primary); margin-bottom: 8px; }
.team-bio { font-size: 12px; color: var(--text-3); line-height: 1.5; }

/* ========== 文档布局 ========== */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}
.docs-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  max-height: calc(100vh - var(--header-height) - 40px);
  overflow-y: auto;
}
.docs-sidebar h4 { font-size: 13px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; margin-top: 16px; }
.docs-sidebar h4:first-child { margin-top: 0; }
.docs-sidebar a {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-2);
  border-radius: 6px;
  margin-bottom: 2px;
}
.docs-sidebar a:hover, .docs-sidebar a.active { background: rgba(22,119,255,0.06); color: var(--primary); }
.docs-content {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 40px;
}
.docs-content h1 { font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.docs-content .doc-meta { font-size: 13px; color: var(--text-3); margin-bottom: 32px; padding-bottom: 20px; border-bottom: 1px solid var(--border-light); }
.docs-content h2 { font-size: 22px; font-weight: 600; margin: 32px 0 16px; padding-top: 16px; }
.docs-content h3 { font-size: 17px; font-weight: 600; margin: 24px 0 12px; }
.docs-content p { font-size: 14px; color: var(--text-2); line-height: 1.8; margin-bottom: 16px; }
.docs-content ul, .docs-content ol { margin: 12px 0; padding-left: 24px; }
.docs-content li { font-size: 14px; color: var(--text-2); line-height: 1.8; margin-bottom: 6px; list-style: disc; }
.docs-content code {
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--primary-dark);
  font-family: "SF Mono", Monaco, "Cascadia Code", Consolas, monospace;
}
.docs-content pre {
  background: #1d2129;
  color: #e5e6eb;
  padding: 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 16px 0;
  font-size: 13px;
  line-height: 1.6;
}
.docs-content pre code { background: none; color: inherit; padding: 0; }
.doc-callout {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 20px 0;
  font-size: 14px;
  line-height: 1.7;
  border-left: 4px solid;
}
.doc-callout.info { background: #e8f3ff; border-color: var(--primary); color: var(--primary-dark); }
.doc-callout.warn { background: #fff7e8; border-color: #ff7d00; color: #ad4e00; }
.doc-callout.tip { background: #e8ffea; border-color: #00b42a; color: #0b7a23; }

/* ========== 步骤指引 ========== */
.steps { display: flex; gap: 24px; margin: 32px 0; flex-wrap: wrap; }
.step {
  flex: 1;
  min-width: 200px;
  background: var(--bg-2);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}
.step-num {
  width: 32px; height: 32px;
  background: var(--gradient-1);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.step p { font-size: 13px; color: var(--text-3); line-height: 1.6; }

/* ========== FAQ ========== */
.faq-item {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-q:hover { color: var(--primary); }
.faq-q .icon { transition: transform 0.3s; font-size: 18px; color: var(--text-3); }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-a { max-height: 300px; }
.faq-a-inner { padding: 0 24px 20px; font-size: 14px; color: var(--text-2); line-height: 1.8; }

/* ========== 回到顶部 ========== */
.back-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--text-2);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 999;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 360px; max-width: 500px; margin: 0 auto; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-grid, .solution-grid, .case-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card.featured { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; max-height: none; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { padding: 60px 0 80px; }
  .hero h1 { font-size: 32px; }
  .hero-desc { font-size: 15px; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 22px; }
  .section-head h2 { font-size: 28px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .feature-grid, .solution-grid, .case-grid, .pricing-grid, .news-grid { grid-template-columns: 1fr; }
  .customer-logos { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav, .header-actions .btn { display: none; }
  .menu-toggle { display: block; }
  .cta-band { padding: 40px 24px; }
  .cta-band h2 { font-size: 24px; }
  .page-hero h1 { font-size: 28px; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
  .docs-content { padding: 24px; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .top-bar { font-size: 12px; padding: 6px 12px; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr; }
  .customer-logos { grid-template-columns: repeat(2, 1fr); }
}

/* ========== 工具类 ========== */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }