/* 油慧云GEO网站 - 全局现代科技风格样式系统 */
/* 核心设计理念：大气、科技感、细节丰富、去AI模板味 */

@import url('./fonts.css');

:root {
  /* 探迹科技调色盘 */
  --primary: #0052d9;
  /* 探迹皇家蓝 */
  --primary-dark: #003fb0;
  /* 深蓝 */
  --primary-light: #e8f2ff;
  /* 极浅蓝 */
  --indigo: #5f3bf3;
  /* 智能紫 */
  --indigo-light: #f3e8ff;
  --accent: #00a2ff;
  /* 科技青 */
  --accent-light: #e6f7ff;
  --success: #10b981;
  /* 增长绿 */
  --success-light: #e6ffed;
  --warning: #f59e0b;
  /* 警示橙 */
  --warning-light: #fffbe6;
  --danger: #ef4444;
  /* 危险红 */
  --danger-light: #fff0f6;

  /* 阶梯灰度 */
  --text: #1d2129;
  /* 极深蓝灰 */
  --text-light: #4e5969;
  /* 灰度 */
  --text-muted: #86909c;
  /* 浅灰 */
  --text-lightest: #c9cdd4;
  /* 极浅灰 */
  --border: #e5e6eb;
  /* 细边框线 */
  --border-light: #f2f3f5;
  /* 极细线 */
  --bg: #f4f8fc;
  /* 背景 */
  --bg-card: #ffffff;
  --bg-dark: #0b101f;
  /* 探迹页脚暗蓝 */
  --bg-dark-card: #151b2c;
  --white: #ffffff;

  /* 探迹流光阴影体系 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 82, 217, 0.02);
  --shadow-md: 0 8px 24px -4px rgba(0, 82, 217, 0.04), 0 4px 12px -2px rgba(0, 82, 217, 0.02);
  --shadow-lg: 0 20px 40px -8px rgba(0, 82, 217, 0.06), 0 8px 20px -6px rgba(0, 82, 217, 0.04);
  --shadow-glow: 0 0 25px rgba(0, 82, 217, 0.12);

  /* 倒角 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;

  /* 字体族 */
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  --font-mono: 'Plus Jakarta Sans', var(--font-sans);
}

/* 基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

/* 容器 */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}

.container-sm {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 40px;
}

/* 链接 */
a {
  color: var(--primary);
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
  color: var(--primary-dark);
}

/* 标题层级 */
h1,
h2,
h3,
h4 {
  color: var(--text);
  font-weight: 700;
}

h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

h2 {
  font-size: 32px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

h3 {
  font-size: 20px;
  line-height: 1.45;
  margin-bottom: 12px;
}

h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

p {
  color: var(--text-light);
  margin-bottom: 12px;
}

/* 工具类 */
.text-muted {
  color: var(--text-muted);
}

.text-light {
  color: var(--text-light);
}

.text-primary {
  color: var(--primary);
}

.text-accent {
  color: var(--accent);
}

.text-success {
  color: var(--success);
}

/* GEO关键元素：核心摘要段 */
.summary-block {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 4px;
  padding: 20px 24px;
  margin: 28px 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-light);
  text-align: left;
}

.summary-block strong {
  color: var(--primary);
  font-weight: 700;
}

.summary-block a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.summary-block a:hover {
  color: var(--primary-dark);
}

.summary-block-dark {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 28px 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-lightest);
  text-align: left;
}

.summary-block-dark strong {
  color: var(--white);
  font-weight: 600;
}

.summary-block-dark a {
  color: #60a5fa;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.summary-block-dark a:hover {
  color: #93c5fd;
}

/* 导航栏 (Sleek Tungee Glassmorphism) */
.navbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 40px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.navbar-brand .brand-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
}

.navbar-brand span {
  color: #101010;
}

.navbar-nav {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.navbar-nav a {
  padding: 8px 0;
  color: var(--text-light);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--primary);
  background: transparent;
}

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* 滚动状态的导航栏 */
.navbar.navbar-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 82, 217, 0.08);
  border-bottom-color: transparent;
}

/* 移动端汉堡包按钮 */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

.navbar-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 1px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-phone {
  font-size: 15px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.25s;
}

.nav-phone:hover {
  color: var(--primary);
}

.nav-phone svg {
  color: var(--primary);
}

.btn-nav-cta {
  padding: 8px 20px !important;
  border-radius: 30px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 10px rgba(0, 82, 217, 0.15) !important;
}

.hero {
  background: radial-gradient(circle at 80% 20%, rgba(0, 82, 217, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 20% 80%, rgba(0, 162, 255, 0.05) 0%, transparent 45%),
    #ffffff;
  color: var(--text);
  padding: 130px 0 90px;
  position: relative;
  overflow: hidden;
}

/* Cyber Grid Background Pattern */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 82, 217, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 82, 217, 0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center top;
  mask-image: radial-gradient(circle at 50% 45%, black 60%, transparent 90%);
  -webkit-mask-image: radial-gradient(circle at 50% 45%, black 60%, transparent 90%);
  pointer-events: none;
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  position: relative;
  z-index: 2;
}

.hero-left {
  flex: 1.1;
  max-width: 680px;
  text-align: left;
}

.hero-right {
  flex: 0.9;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: var(--primary-light);
  border: 1px solid rgba(0, 82, 217, 0.15);
  border-radius: 30px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero h1 {
  color: var(--text);
  font-size: 52px;
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--primary) 10%, var(--accent) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-light);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 32px;
}

/* Hero stats (bottom of header or inline) */
.hero-stats-mini {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

.hero-stat-mini-item {
  font-size: 14px;
  color: var(--text-muted);
}

.hero-stat-mini-item strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 4px;
}

/* Tungee-style Interactive Tech Mockup */
.tech-mockup {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 82, 217, 0.08);
  box-shadow: 0 30px 60px rgba(0, 82, 217, 0.08), 0 0 1px rgba(0, 82, 217, 0.2);
  width: 100%;

  overflow: hidden;
  position: relative;
  animation: floatMockup 6s ease-in-out infinite;
}

@keyframes floatMockup {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.mockup-header {
  background: #f7f9fc;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid #edf2f7;
}

.mockup-header .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.mockup-header .dot.red {
  background: #ff5f56;
}

.mockup-header .dot.yellow {
  background: #ffbd2e;
}

.mockup-header .dot.green {
  background: #27c93f;
}

.mockup-header .mockup-title {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  margin-left: 8px;
}

.mockup-body {
  padding: 20px;
  text-align: left;
}

.mockup-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.mockup-card {
  flex: 1;
  background: #f8fafc;
  border: 1px solid #edf2f7;
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
}

.mockup-card .label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.mockup-card .val {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mockup-card .trend {
  font-size: 10px;
  color: var(--success);
  font-weight: 700;
}

.mockup-chart {
  background: #f8fafc;
  border: 1px solid #edf2f7;
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 16px;
}

.chart-bar-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.chart-bar-wrap:last-child {
  margin-bottom: 0;
}

.chart-bar-wrap .chart-label {
  width: 32px;
  font-size: 11px;
  color: var(--text-light);
  font-weight: 500;
}

.chart-bar-wrap .chart-bar {
  flex: 1;
  height: 6px;
  background: var(--primary-light);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.chart-bar-wrap .chart-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: inherit;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 4px;
}

.tech-nodes {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #edf2f7;
  padding-top: 12px;
}

.node-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 500;
}

.node-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.node-dot.blue {
  background: var(--primary);
}

.node-dot.orange {
  background: var(--accent);
}

.node-dot.green {
  background: var(--success);
}

/* 按钮 (High-end Tech feel) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--indigo) 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37, 99, 218, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #4338ca 100%);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 218, 0.35);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #ea580c 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
}

.btn-accent:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-light);
}

.btn-outline:hover {
  background: var(--bg);
  border-color: var(--text-muted);
  color: var(--text);
  transform: translateY(-2px);
}

.btn-white {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  backdrop-filter: blur(10px);
}

.btn-white:hover {
  background: var(--white);
  color: var(--text);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
  border-radius: var(--radius-sm);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 32px;
}

/* 通用区块 */
.section {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  background: var(--white);
}

/* 浅色区块环境光晕 */
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(800px circle at 50% 10%, rgba(37, 99, 218, 0.025), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.section-alt {
  background: var(--bg);
  color: var(--text);
}

.section-alt::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(1000px circle at 50% 20%, rgba(0, 82, 217, 0.03), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.section-alt::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 82, 217, 0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 82, 217, 0.012) 1px, transparent 1px);
  background-size: 60px 60px;
  background-position: center top;
  mask-image: radial-gradient(circle at 50% 50%, black 50%, transparent 95%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 50%, transparent 95%);
  pointer-events: none;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
  position: relative;
  z-index: 2;
}

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 30px;
  margin-bottom: 16px;
}

.section-alt .section-tag {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(0, 82, 217, 0.1);
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text) 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-alt .section-title {
  background: linear-gradient(135deg, var(--text) 40%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 10px auto 0;
}

.section-alt .section-desc {
  color: var(--text-light);
}

/* 卡片网格与卡片 */
.card-grid {
  display: grid;
  gap: 24px;
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 高科技感卡片设计 */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 218, 0.2);
  transform: translateY(-4px);
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--primary), var(--indigo)) border-box;
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover::after {
  opacity: 0.6;
}

/* 卡片图标样式 */
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.card:hover .card-icon {
  transform: scale(1.05);
}

.card-icon svg {
  width: 28px;
  height: 28px;
}

/* 彩虹渐变 icon背景 */
.card-icon.blue {
  background: #eff6ff;
  color: var(--primary);
}

.card-icon.orange {
  background: #fff7ed;
  color: var(--accent);
}

.card-icon.green {
  background: #ecfdf5;
  color: var(--success);
}

.card-icon.yellow {
  background: #fffbeb;
  color: var(--warning);
}

.card-icon.purple {
  background: #f5f3ff;
  color: var(--indigo);
}

.card-icon.cyan {
  background: #ecfeff;
  color: #0891b2;
}

.card-icon.red {
  background: #fef2f2;
  color: var(--danger);
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.section-alt .card-title {
  color: var(--text);
}

.card-text {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  flex-grow: 1;
}

.section-alt .card-text {
  color: var(--text-light);
}

/* 浅色交替卡片特化 - 探迹风格 */
.section-alt .card {
  background: var(--white);
  border: 1px solid rgba(0, 82, 217, 0.06);
  box-shadow: 0 10px 30px rgba(0, 82, 217, 0.02);
}

.section-alt .card:hover {
  background: var(--white);
  border-color: rgba(0, 82, 217, 0.20);
  box-shadow: 0 20px 40px rgba(0, 82, 217, 0.06), 0 0 15px rgba(0, 82, 217, 0.02);
}

.section-alt .card::after {
  background: linear-gradient(135deg, var(--primary), var(--accent)) border-box;
}

/* 浅色交替下的彩虹渐变 icon背景 */
.section-alt .card-icon.blue {
  background: #e8f2ff;
  color: var(--primary);
}

.section-alt .card-icon.orange {
  background: #fff2e8;
  color: var(--accent);
}

.section-alt .card-icon.green {
  background: #e6ffed;
  color: var(--success);
}

.section-alt .card-icon.yellow {
  background: #fffbe6;
  color: var(--warning);
}

.section-alt .card-icon.purple {
  background: #f3f0ff;
  color: var(--indigo);
}

.section-alt .card-icon.cyan {
  background: #e6f7ff;
  color: #00a2ff;
}

.section-alt .card-icon.red {
  background: #fff0f6;
  color: var(--danger);
}

/* 价格面板 */
.price-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--border);
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.price-card:not(.popular):hover {
  border-color: rgba(37, 99, 218, 0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 35px rgba(15, 23, 42, 0.08);
}

.price-card.popular {
  border: 1px solid transparent;
  background: linear-gradient(var(--white), var(--white)) padding-box,
    linear-gradient(135deg, var(--primary), var(--indigo)) border-box;
  transform: scale(1.03);
  box-shadow: 0 20px 40px rgba(37, 99, 218, 0.12), 0 0 25px rgba(79, 70, 229, 0.08);
}

.price-card.popular:hover {
  transform: scale(1.04) translateY(-6px);
  box-shadow: 0 24px 48px rgba(37, 99, 218, 0.18), 0 0 30px rgba(79, 70, 229, 0.12);
}

.price-badge {
  position: absolute;
  top: 0;
  right: 32px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--indigo) 100%);
  color: var(--white);
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 0 0 8px 8px;
  letter-spacing: 0.05em;
}

.price-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.price-value {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
}

.price-unit {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 4px;
}

.price-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 28px;
}

.price-list {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.price-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
}

.price-list li:last-child {
  border-bottom: none;
}

.price-list li svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

/* FAQ 区块 */
.faq-section {
  margin: 32px 0 0;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  overflow: hidden;
}

.faq-item:hover {
  border-color: rgba(37, 99, 218, 0.2);
  box-shadow: var(--shadow-md);
}

.faq-q {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  display: flex;
  gap: 12px;
  align-items: center;
  cursor: pointer;
}

.faq-q::before {
  content: 'Q';
  background: linear-gradient(135deg, var(--primary) 0%, var(--indigo) 100%);
  color: var(--white);
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}

.faq-a {
  padding: 20px 24px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  border-top: 1px solid var(--border-light);
  background: #fafbfd;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* 浅色 FAQ 特化 */
.section-alt .faq-item {
  background: var(--white);
  border: 1px solid rgba(0, 82, 217, 0.06);
  box-shadow: 0 4px 12px rgba(0, 82, 217, 0.02);
}

.section-alt .faq-item:hover {
  border-color: rgba(0, 82, 217, 0.2);
  box-shadow: 0 8px 20px rgba(0, 82, 217, 0.04);
}

.section-alt .faq-q {
  color: var(--text);
}

.section-alt .faq-a {
  background: #fbfcfe;
  border-top: 1px solid rgba(0, 82, 217, 0.04);
  color: var(--text-light);
}

.faq-section.card-grid {
  margin-top: 32px;
}

.faq-section.card-grid .faq-item {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.faq-section.card-grid .faq-a {
  flex-grow: 1;
}

/* 高端对比表格 */
.table-wrap {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 14px;
}

thead tr {
  background: var(--bg-dark);
  color: var(--white);
}

th {
  padding: 18px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  border: none;
}

td {
  padding: 16px 20px;
  border-top: 1px solid var(--border-light);
  vertical-align: middle;
  color: var(--text-light);
}

tr:nth-child(even) td {
  background: #fbfcfe;
}

tr:hover td {
  background: #eff6ff;
}

/* 突出展示油慧云列 */
tr td:nth-child(2) {
  font-weight: 600;
  color: var(--primary);
  background: rgba(37, 99, 218, 0.01);
}

tr:hover td:nth-child(2) {
  background: rgba(37, 99, 218, 0.05);
}

/* 标签样式 */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

.tag-success {
  background: #d1fae5;
  color: #065f46;
}

.tag-warning {
  background: #fef3c7;
  color: #92400e;
}

.tag-danger {
  background: #fee2e2;
  color: #991b1b;
}

.tag-mid {
  background: #f1f5f9;
  color: #475569;
}

.tag-blue {
  background: #dbeafe;
  color: #1e40af;
}

.tag-primary {
  background: var(--primary-light);
  color: var(--primary);
}

/* 权威资质网格 */
.authority-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, 1fr);
}

.authority-item {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all 0.25s ease;
}

.authority-item:hover {
  border-color: rgba(37, 99, 218, 0.4);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06), 0 0 15px rgba(37, 99, 218, 0.05);
  transform: translateY(-4px);
}

.authority-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.authority-item:hover .authority-icon {
  background: var(--primary);
  color: var(--white);
  transform: scale(1.08);
}

.authority-icon svg {
  width: 20px;
  height: 20px;
}

.authority-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-light);
}

.authority-text strong {
  color: var(--text);
  display: block;
  margin-bottom: 2px;
}

/* 客户评价 */
.testimonial-stars {
  color: var(--warning);
  font-size: 16px;
  margin-bottom: 14px;
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.testimonial-text {
  font-style: normal;
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
  position: relative;
}

.testimonial-author {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--indigo) 100%);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.author-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.author-meta strong {
  font-size: 14px;
  color: var(--text);
}

.author-meta span {
  font-size: 12px;
  color: var(--text-muted);
}

/* 博客/文章卡片 */
.blog-card {
  text-decoration: none;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 28px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.blog-card .card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  color: var(--text);
  margin-bottom: 12px;
}

.blog-card .card-text {
  font-size: 13.5px;
  color: var(--text-light);
  line-height: 1.7;
}

/* 页脚 (Premium Space Dark) */
.footer {
  background: var(--bg-dark);
  color: var(--text-lightest);
  padding: 80px 0 40px;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-brand h3 {
  color: var(--white);
  font-size: 22px;
  margin-bottom: 16px;
  font-weight: 800;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-lightest);
}

.footer-section h4 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  padding: 8px 0;
  font-size: 14px;
}

.footer-links a {
  color: var(--text-lightest);
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 13px;
  color: var(--text-muted);
}

/* 悬浮咨询条 */
.floating-bar {
  position: fixed;
  right: 24px;
  bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.float-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--indigo) 100%);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 10px 20px rgba(37, 99, 218, 0.25);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.float-btn:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #4338ca 100%);
  color: var(--white);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(37, 99, 218, 0.35);
}

.float-btn.outline {
  background: var(--white);
  color: var(--primary);
  border: 1px solid var(--primary);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.float-btn.outline:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
}

/* 响应式调整 */
@media (min-width: 1200px) {
  .authority-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1200px) {
  .container {
    padding: 0 32px;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .hero-stat:nth-child(3)::after {
    display: none;
  }

  .authority-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 992px) {
  .authority-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .hero-container {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .hero-left {
    text-align: center;
    max-width: 100%;
    align-items: center;
    display: flex;
    flex-direction: column;
  }

  .hero-right {
    width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats-mini {
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 24px;
  }

  .section {
    padding: 56px 0;
  }

  .container {
    padding: 0 20px;
  }

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


  .nav-phone {
    display: none;
  }

  .navbar-actions {
    gap: 12px;
  }

  .hero {
    padding: 56px 0;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 16px;
  }

  .hero-stat::after {
    display: none !important;
  }

  .hero-stat-num {
    font-size: 30px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .price-card.popular {
    transform: none;
  }
}

/* 辅助渐变数字类 */
.gradient-num {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--primary) 0%, var(--indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.gradient-num.orange {
  background: linear-gradient(135deg, var(--accent) 0%, #ea580c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-num.green {
  background: linear-gradient(135deg, var(--success) 0%, #047857 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-num.warning {
  background: linear-gradient(135deg, var(--warning) 0%, #b45309 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ================= 导航栏移动端响应式补丁 ================= */
@media (max-width: 991px) {
  .navbar-toggle {
    display: flex;
  }

  .navbar-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .navbar-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .navbar-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .navbar-nav {
    display: flex !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    box-shadow: 0 10px 30px rgba(0, 82, 217, 0.1);
    border-top: 1px solid rgba(0, 82, 217, 0.05);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000;
  }

  .navbar-nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .navbar-nav a {
    width: 100%;
    text-align: center;
    padding: 12px 0;
    font-size: 16px;
  }

  .navbar-nav a::after {
    display: none;
  }

  .navbar-actions {
    display: none;
  }
}