/* 韩式投资社群落地页样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&family=Playfair+Display:wght@400;700&display=swap');

:root {
  --primary-blue: #2E5BFF;
  --primary-navy: #1A2B5C;
  --accent-gold: #FFB800;
  --secondary-gray: #F5F7FA;
  --dark-gray: #2C3E50;
  --light-gray: #8B9DC3;
  --success-green: #27AE60;
  --white: #FFFFFF;
  --gradient-bg: linear-gradient(135deg, #2E5BFF 0%, #1A2B5C 100%);
  --shadow-light: 0 4px 20px rgba(46, 91, 255, 0.1);
  --shadow-medium: 0 8px 30px rgba(46, 91, 255, 0.15);
  --shadow-heavy: 0 15px 50px rgba(46, 91, 255, 0.2);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
  overflow-x: hidden;
}

/* 通用样式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-navy);
  text-align: center;
  margin-bottom: 1rem;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-bg);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--light-gray);
  text-align: center;
  margin-bottom: 3rem;
  font-weight: 300;
}

/* Hero 区域 */
.hero {
  min-height: 100vh;
  background: var(--gradient-bg);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: url(../images/bgc.jpg)no-repeat center center;
  background-size: cover;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 184, 0, 0.2);
  color: var(--accent-gold);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 184, 0, 0.3);
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  font-weight: 300;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 3rem;
  opacity: 0.8;
  line-height: 1.7;
}

/* Hero区域特色功能 */
.hero-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.hero-feature {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.8rem 1.5rem;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-feature i {
  color: var(--accent-gold);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

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

.stat-icon {
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
  display: block;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--white);
  display: block;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-top: 0.5rem;
}

/* 股票图表动画 */
.hero-chart {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 300px;
  height: 200px;
  opacity: 0.2;
}

.chart-line {
  stroke: var(--accent-gold);
  stroke-width: 3;
  fill: none;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 3s ease-in-out forwards;
}

@keyframes drawLine {
  to {
    stroke-dashoffset: 0;
  }
}

/* 功能特色区域 */
.features {
  padding: 6rem 0;
  background: var(--secondary-gray);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  border: 1px solid rgba(46, 91, 255, 0.1);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-medium);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--white);
}

.feature-highlights {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.feature-highlights span {
  background: var(--secondary-gray);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.feature-highlights i {
  font-size: 0.7rem;
  color: var(--success-green);
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--light-gray);
  line-height: 1.6;
}

/* 内容模块 */
.content-section {
  padding: 6rem 0;
}

.content-row {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-bottom: 6rem;
}

.content-row:nth-child(even) {
  flex-direction: row-reverse;
}

.content-text {
  flex: 1;
}

.content-image {
  flex: 1;
  position: relative;
}

.content-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow-medium);
}

.content-title {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 1.5rem;
}

.content-description {
  color: var(--light-gray);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.content-points {
  list-style: none;
}

.content-points li {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--dark-gray);
}

.content-points li::before {
  content: '✓';
  background: var(--success-green);
  color: var(--white);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  font-size: 0.8rem;
  font-weight: bold;
}

/* 评论区域 */
.testimonials {
  padding: 6rem 0;
  background: var(--secondary-gray);
}

.testimonial-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 3rem 0;
  flex-wrap: wrap;
}

.testimonial-stat {
  text-align: center;
  background: var(--white);
  padding: 2rem 1.5rem;
  border-radius: 15px;
  box-shadow: var(--shadow-light);
  min-width: 150px;
}

.testimonial-stat i {
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  display: block;
}

.testimonial-stat .stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary-navy);
  display: block;
  margin-bottom: 0.5rem;
}

.testimonial-stat .stat-desc {
  font-size: 0.9rem;
  color: var(--light-gray);
  font-weight: 500;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-light);
  position: relative;
}

.testimonial-quote {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--dark-gray);
  margin-bottom: 2rem;
  font-style: italic;
}

.testimonial-quote::before {
  content: '"';
  font-size: 3rem;
  color: var(--primary-blue);
  position: absolute;
  top: 1rem;
  left: 2rem;
  font-family: 'Playfair Display', serif;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 700;
}

.author-info h4 {
  font-weight: 600;
  color: var(--primary-navy);
  margin-bottom: 0.2rem;
}

.author-info p {
  font-size: 0.9rem;
  color: var(--light-gray);
}

/* 固定CTA按钮 */
.fixed-cta {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  animation: pulse 2s infinite;
  visibility: visible;
  opacity: 1;
}

.cta-button {
  background: var(--gradient-bg);
  color: var(--white);
  padding: 18px 40px;
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-heavy);
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: max-content;
  white-space: nowrap;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 60px rgba(46, 91, 255, 0.3);
}

.cta-button::after {
  content: '→';
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.cta-button:hover::after {
  transform: translateX(5px);
}

@keyframes pulse {
  0%, 100% {
    box-shadow: var(--shadow-heavy);
  }
  50% {
    box-shadow: 0 15px 50px rgba(46, 91, 255, 0.4);
  }
}

/* 彩色文本 */
.text-gold { color: var(--accent-gold) !important; }
.text-blue { color: var(--primary-blue) !important; }
.text-green { color: var(--success-green) !important; }
.text-purple { color: #6C5CE7 !important; }
.text-red { color: #FF6B6B !important; }

/* FAQ 区域 */
.faq {
  padding: 6rem 0;
  background: var(--white);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid rgba(46, 91, 255, 0.1);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.faq-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.faq-question {
  background: var(--gradient-bg);
  color: var(--white);
  padding: 1.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
}

.faq-question i {
  color: var(--accent-gold);
  font-size: 1.2rem;
}

.faq-answer {
  padding: 1.5rem;
  line-height: 1.7;
  color: var(--dark-gray);
}

/* 혜택 요약 */
.benefits-summary {
  padding: 6rem 0;
  background: var(--gradient-bg);
  color: var(--white);
}

.benefits-box {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 3rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefits-box h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--white);
}

.benefits-list {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-item i {
  color: var(--accent-gold);
  font-size: 1.2rem;
  margin-right: 1rem;
}

.benefit-item span {
  flex: 1;
  font-size: 1rem;
}

.benefit-item strong {
  color: var(--accent-gold);
  font-size: 1.1rem;
  font-weight: 700;
}

.total-value {
  text-align: center;
  padding: 2rem;
  background: rgba(255, 184, 0, 0.2);
  border-radius: 15px;
  border: 2px solid var(--accent-gold);
}

.total-value span {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.total-value del {
  color: rgba(255, 255, 255, 0.7);
}

.total-value strong {
  font-size: 1.3rem;
  color: var(--accent-gold);
  font-weight: 900;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-features {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .content-row {
    flex-direction: column !important;
    gap: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-chart {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-button {
    padding: 15px 30px;
    font-size: 1rem;
    width: max-content;
    min-width: 250px;
  }
  
  .benefits-box {
    padding: 2rem;
  }
  
  .benefit-item {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .feature-card {
    padding: 1.5rem;
  }
  
  .feature-card .feature-title {
    font-size: 1.1rem;
  }
  
  .feature-card .feature-description {
    font-size: 0.9rem;
  }
  
  .feature-highlights {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .feature-highlights span {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
  }
  
  .testimonial-card {
    padding: 2rem;
  }
}