/* 快手AI短视频带货软件网站样式 */

/* 基础样式 */
:root {
  --primary-color: #1a73e8;
  --secondary-color: #6c5ce7;
  --accent-color: #00c9ff;
  --text-color: #333333;
  --light-text: #ffffff;
  --dark-bg: #1a1a2e;
  --light-bg: #f8f9fa;
  --gray-bg: #f0f2f5;
  --border-color: #e1e4e8;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
}

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

a:hover {
  color: var(--secondary-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
  background-color: #fff;
  box-shadow: var(--box-shadow);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: var(--text-color);
  font-weight: 500;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
}

/* 英雄区域样式 */
.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--light-text);
  padding: 120px 0 80px;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: var(--accent-color);
  color: var(--light-text);
  border-radius: 30px;
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  color: var(--light-text);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--light-text);
}

.btn-outline:hover {
  background-color: var(--light-text);
  color: var(--primary-color);
}

/* 特性部分样式 */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.2rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.section-title p {
  font-size: 1.1rem;
  color: #666;
  max-width: 700px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: #fff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
}

.feature-card p {
  color: #666;
}

/* 技术部分样式 */
.tech-section {
  background-color: var(--gray-bg);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.tech-card {
  background-color: #fff;
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: var(--box-shadow);
}

.tech-card img {
  height: 60px;
  margin-bottom: 15px;
}

.tech-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.tech-card p {
  font-size: 0.9rem;
  color: #666;
}

/* 部署步骤样式 */
.steps-container {
  max-width: 800px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  margin-bottom: 40px;
}

.step-number {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-right: 20px;
}

.step-content h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.step-content p {
  color: #666;
}

/* 项目规划样式 */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background-color: var(--primary-color);
}

.timeline-item {
  position: relative;
  padding-left: 50px;
  margin-bottom: 40px;
}

.timeline-dot {
  position: absolute;
  left: 16px;
  top: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--primary-color);
}

.timeline-date {
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.timeline-content {
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: var(--box-shadow);
}

.timeline-content h3 {
  margin-bottom: 10px;
}

/* 团队部分样式 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.team-card {
  background-color: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.team-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.team-info {
  padding: 20px;
  text-align: center;
}

.team-info h3 {
  font-size: 1.3rem;
  margin-bottom: 5px;
}

.team-info p {
  color: #666;
  margin-bottom: 15px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.social-links a {
  color: #666;
  font-size: 1.2rem;
}

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

/* 联系部分样式 */
.contact-section {
  background-color: var(--dark-bg);
  color: var(--light-text);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.contact-info {
  margin-bottom: 30px;
}

.contact-info h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.contact-icon {
  font-size: 1.2rem;
  margin-right: 15px;
  color: var(--accent-color);
}

/* 页脚样式 */
.footer {
  background-color: #222;
  color: #fff;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--accent-color);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #aaa;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #444;
  color: #aaa;
}

/* 代码展示样式 */
.code-block {
  background-color: #282c34;
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
  overflow-x: auto;
}

.code-block pre {
  color: #abb2bf;
  font-family: 'Courier New', Courier, monospace;
  line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.4rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    margin: 10px 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 576px) {
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .btn {
    padding: 10px 25px;
  }
  
  .section {
    padding: 50px 0;
  }
  
  .section-title {
    margin-bottom: 40px;
  }
  
  .section-title h2 {
    font-size: 1.6rem;
  }
}