/* 杰哥避坑圈 - 主样式表 */

:root {
  --primary: #6C5CE7;
  --primary-dark: #5A4BD1;
  --primary-light: #A29BFE;
  --secondary: #00CEC9;
  --secondary-dark: #00B5B0;
  --accent: #FD79A8;
  --dark: #2D3436;
  --dark-light: #636E72;
  --gray: #B2BEC3;
  --gray-light: #DFE6E9;
  --white: #FFFFFF;
  --bg-light: #F8F9FA;
  --bg-dark: #1A1A2E;
  --gradient-primary: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
  --gradient-secondary: linear-gradient(135deg, #00CEC9 0%, #81ECEC 100%);
  --gradient-hero: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
  --gradient-card: linear-gradient(135deg, rgba(108,92,231,0.05) 0%, rgba(162,155,254,0.05) 100%);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
  --shadow-purple: 0 4px 20px rgba(108,92,231,0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--dark);
  line-height: 1.7;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  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;
  text-decoration: none;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 18px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--dark-light);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
  border-radius: 1px;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px;
  background: var(--gradient-primary);
  color: white !important;
  border-radius: var(--radius-xl);
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-purple);
}

.nav-cta::after {
  display: none !important;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero 区域 ===== */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(108,92,231,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0,206,201,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
  font-size: 56px;
  font-weight: 800;
  color: white;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #A29BFE, #81ECEC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 20px;
  color: rgba(255,255,255,0.7);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-xl);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: rgba(255,255,255,0.1);
  color: white;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

/* ===== 三角模型 ===== */
.triangle-section {
  padding: 100px 24px;
  background: var(--white);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px;
  background: rgba(108,92,231,0.08);
  color: var(--primary);
  border-radius: var(--radius-xl);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 18px;
  color: var(--dark-light);
  max-width: 600px;
  margin: 0 auto;
}

.triangle-model {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.triangle-center {
  width: 200px;
  height: 200px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  box-shadow: var(--shadow-purple);
  position: relative;
}

.triangle-center h3 {
  color: white;
  font-size: 22px;
  font-weight: 800;
}

.triangle-center p {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  margin-top: 4px;
}

.triangle-items {
  display: flex;
  gap: 40px;
  flex-direction: column;
}

.triangle-item {
  width: 260px;
  padding: 28px;
  background: var(--gradient-card);
  border: 1px solid rgba(108,92,231,0.1);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.triangle-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(108,92,231,0.2);
}

.triangle-item .icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.triangle-item h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.triangle-item p {
  font-size: 14px;
  color: var(--dark-light);
  line-height: 1.6;
}

/* ===== 数据统计 ===== */
.stats-section {
  padding: 80px 24px;
  background: var(--gradient-hero);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-number .unit {
  font-size: 20px;
  color: var(--primary-light);
}

.stat-label {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
}

/* ===== 卡片网格 ===== */
.cards-section {
  padding: 100px 24px;
  background: var(--bg-light);
}

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

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 200px;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
  overflow: hidden;
}

.card-image .card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-xl);
  font-size: 12px;
  font-weight: 600;
}

.card-body {
  padding: 24px;
}

.card-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.card-body p {
  font-size: 15px;
  color: var(--dark-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--gray);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.card-link:hover {
  gap: 8px;
}

/* ===== CTA 区域 ===== */
.cta-section {
  padding: 100px 24px;
  background: var(--white);
  text-align: center;
}

.cta-box {
  max-width: 700px;
  margin: 0 auto;
  padding: 60px;
  background: var(--gradient-hero);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(108,92,231,0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-box h2 {
  font-size: 32px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  position: relative;
}

.cta-box .btn-primary {
  position: relative;
}

/* ===== 时间线 ===== */
.timeline-section {
  padding: 100px 24px;
  background: var(--bg-light);
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
  padding-left: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -29px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px rgba(108,92,231,0.2);
}

.timeline-item .year {
  display: inline-flex;
  padding: 2px 12px;
  background: rgba(108,92,231,0.1);
  color: var(--primary);
  border-radius: var(--radius-xl);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-item h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 15px;
  color: var(--dark-light);
  line-height: 1.7;
}

/* ===== 商业模式 ===== */
.business-section {
  padding: 100px 24px;
  background: var(--white);
}

.business-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.business-visual {
  background: var(--gradient-hero);
  border-radius: var(--radius-lg);
  padding: 40px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.business-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(108,92,231,0.15) 0%, transparent 60%);
}

.pipeline-item {
  padding: 16px 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.pipeline-item:hover {
  background: rgba(255,255,255,0.15);
}

.pipeline-item h4 {
  color: white;
  font-size: 16px;
  font-weight: 700;
}

.pipeline-item p {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  margin-top: 4px;
}

.business-content h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
}

.business-content p {
  font-size: 16px;
  color: var(--dark-light);
  margin-bottom: 24px;
  line-height: 1.8;
}

.business-list {
  list-style: none;
}

.business-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--dark);
}

.business-list .check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: rgba(0,206,201,0.1);
  color: var(--secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-top: 2px;
}

/* ===== 资源卡片 ===== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.resource-card {
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(108,92,231,0.2);
}

.resource-card .icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-card);
  border: 1px solid rgba(108,92,231,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.resource-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.resource-card p {
  font-size: 14px;
  color: var(--dark-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.resource-card .tag {
  display: inline-flex;
  padding: 3px 10px;
  background: rgba(0,206,201,0.1);
  color: var(--secondary-dark);
  border-radius: var(--radius-xl);
  font-size: 12px;
  font-weight: 600;
}

/* ===== 案例卡片 ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-card {
  padding: 36px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.case-avatar {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}

.case-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.case-card .role {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 16px;
}

.case-card p {
  font-size: 15px;
  color: var(--dark-light);
  line-height: 1.7;
}

.case-card .result {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-light);
  display: flex;
  gap: 24px;
}

.case-card .result-item {
  text-align: center;
  flex: 1;
}

.case-card .result-item .number {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
}

.case-card .result-item .label {
  font-size: 12px;
  color: var(--gray);
}

/* ===== 关于页 ===== */
.about-hero {
  padding: 140px 24px 80px;
  background: var(--gradient-hero);
  text-align: center;
}

.about-hero h1 {
  font-size: 48px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.about-hero p {
  font-size: 20px;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto;
}

.about-content {
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.about-section {
  margin-bottom: 64px;
}

.about-section h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(108,92,231,0.1);
}

.about-section p {
  font-size: 16px;
  color: var(--dark-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-card {
  padding: 24px;
  background: var(--gradient-card);
  border: 1px solid rgba(108,92,231,0.1);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.service-card .price {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 14px !important;
  color: var(--dark-light);
  line-height: 1.6 !important;
}

/* ===== 博客详情页 ===== */
.blog-detail {
  padding: 120px 24px 80px;
  max-width: 760px;
  margin: 0 auto;
}

.blog-detail-header {
  margin-bottom: 48px;
}

.blog-detail-header .tag {
  display: inline-flex;
  padding: 4px 14px;
  background: rgba(108,92,231,0.08);
  color: var(--primary);
  border-radius: var(--radius-xl);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.blog-detail-header h1 {
  font-size: 36px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.blog-detail-header .meta {
  font-size: 14px;
  color: var(--gray);
}

.blog-detail-body {
  font-size: 17px;
  line-height: 1.9;
  color: var(--dark);
}

.blog-detail-body h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--dark);
  margin: 48px 0 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(108,92,231,0.1);
}

.blog-detail-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin: 32px 0 16px;
}

.blog-detail-body p {
  margin-bottom: 20px;
}

.blog-detail-body blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  background: var(--gradient-card);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--dark-light);
}

.blog-detail-body ul, .blog-detail-body ol {
  margin: 16px 0 24px;
  padding-left: 24px;
}

.blog-detail-body li {
  margin-bottom: 8px;
}

.blog-detail-body strong {
  color: var(--dark);
  font-weight: 700;
}

.blog-detail-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.blog-detail-body th,
.blog-detail-body td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--gray-light);
  font-size: 15px;
}

.blog-detail-body th {
  background: rgba(108,92,231,0.05);
  font-weight: 700;
  color: var(--dark);
}

.blog-detail-body code {
  padding: 2px 8px;
  background: rgba(0,0,0,0.05);
  border-radius: 4px;
  font-size: 14px;
  color: var(--primary);
}

/* ===== 页脚 ===== */
.footer {
  padding: 60px 24px 40px;
  background: var(--bg-dark);
  color: rgba(255,255,255,0.6);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .name {
  font-size: 20px;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 300px;
}

.footer-column h4 {
  font-size: 15px;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.footer-column a {
  display: block;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 8px;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  font-size: 13px;
}

/* ===== 页面顶部留白 ===== */
.page-header {
  padding: 140px 24px 60px;
  background: var(--gradient-hero);
  text-align: center;
}

.page-header h1 {
  font-size: 44px;
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== 双线并行变现模型 ===== */
.dual-track-model {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.track-left, .track-right {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 2px solid;
}

.track-left {
  background: linear-gradient(135deg, rgba(0,206,201,0.04) 0%, rgba(129,236,236,0.04) 100%);
  border-color: rgba(0,206,201,0.2);
}

.track-right {
  background: linear-gradient(135deg, rgba(108,92,231,0.04) 0%, rgba(162,155,254,0.04) 100%);
  border-color: rgba(108,92,231,0.2);
}

.track-header {
  margin-bottom: 24px;
}

.track-header h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 4px;
}

.track-left .track-header h3 { color: var(--secondary-dark); }
.track-right .track-header h3 { color: var(--primary-dark); }

.track-header p {
  font-size: 13px;
  color: var(--dark-light);
}

.track-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.track-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.track-step .step-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
}

.track-left .step-num {
  background: rgba(0,206,201,0.15);
  color: var(--secondary-dark);
}

.track-right .step-num {
  background: rgba(108,92,231,0.15);
  color: var(--primary-dark);
}

.track-step h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
}

.track-step p {
  font-size: 13px;
  color: var(--dark-light);
  line-height: 1.5;
}

.track-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.arrow-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  font-weight: 700;
  box-shadow: var(--shadow-purple);
}

.track-arrow p {
  font-size: 12px;
  color: var(--dark-light);
  text-align: center;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .dual-track-model {
    grid-template-columns: 1fr;
  }
  .track-arrow {
    flex-direction: row;
    gap: 12px;
  }
  .arrow-icon {
    transform: rotate(90deg);
  }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .cards-grid, .resource-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero-sub {
    font-size: 16px;
  }
  .section-title {
    font-size: 28px;
  }
  .cards-grid, .resource-grid {
    grid-template-columns: 1fr;
  }
  .case-grid, .business-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .triangle-model {
    flex-direction: column;
    gap: 24px;
  }
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .blog-detail-header h1 {
    font-size: 28px;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 30px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .stat-number {
    font-size: 36px;
  }
}

.hero-resource {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.opp-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.about-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.about-why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cases-founder-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cases-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cases-pitfalls-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .hero-resource {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .opp-card-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .about-services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .about-why-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .cases-founder-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cases-projects-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .cases-pitfalls-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ===== 事业机会页特殊样式 ===== */
.opportunity-section {
  padding: 80px 24px;
}

.opp-card {
  max-width: 800px;
  margin: 0 auto 32px;
  padding: 40px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.opp-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}

.opp-card p {
  font-size: 16px;
  color: var(--dark-light);
  line-height: 1.8;
  margin-bottom: 12px;
}

/* ===== 通用动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}