:root {
  --primary-color: #FF6B6B;
  --secondary-color: #4ECDC4;
  --accent-color: #FFE66D;
  --text-dark: #2C3E50;
  --text-light: #7F8C8D;
  --bg-light: #F8F9FA;
  --white: #FFFFFF;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--white);
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.8rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.logo-text {
  font-size: 1.6rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-subtitle {
  font-size: 0.95rem;
  color: var(--text-light);
  font-weight: 500;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0.8rem;
  border-radius: 25px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

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

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

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-dark);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* 英雄区域 */
.hero {
  position: relative;
  height: 85vh;
  overflow: hidden;
  margin-top: 65px;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.7), rgba(78, 205, 196, 0.7));
}

.slide-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--white);
  z-index: 10;
  width: 90%;
  max-width: 800px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 0.8rem;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  opacity: 0.95;
  animation: fadeInUp 1.2s ease;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  animation: fadeInUp 1.4s ease;
}

.btn {
  padding: 0.9rem 2.2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary {
  background: var(--white);
  color: var(--primary-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-3px);
}

.slider-controls {
  position: absolute;
  top: 50%;
  width: 100%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 20;
}

.slider-btn {
  background: rgba(255, 255, 255, 0.3);
  border: none;
  color: var(--white);
  font-size: 2.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.slider-btn:hover {
  background: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}

.slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 20;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.dot.active {
  background: var(--white);
  width: 25px;
  border-radius: 5px;
}

/* 关于我们 */
.about {
  padding: 40px 0;
  background: var(--bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: 25px;
}

.section-title {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-top: 15px;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.about-text p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 0.8rem;
  line-height: 1.6;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 25px;
}

.stat-item {
  text-align: center;
  padding: 15px;
  background: var(--white);
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

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

.stat-icon {
  font-size: 2.2rem;
  margin-bottom: 0.4rem;
}

.stat-number {
  font-size: 1.3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-top: 0.4rem;
}

.about-image {
  position: relative;
}

.about-image img {
  height: 663.23px;
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.about-image img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}

.image-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  padding: 10px 25px;
  border-radius: 25px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

/* 对比区域 */
.comparison {
  padding: 40px 0;
  background: var(--white);
}

.comparison-grid {
  display: grid;
  gap: 20px;
}

.comparison-card {
  background: var(--bg-light);
  padding: 25px;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.comparison-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.comparison-number {
  display: inline-block;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 900;
  border-radius: 50%;
  text-align: center;
  line-height: 50px;
  margin-bottom: 1rem;
}

.comparison-card h3 {
  font-size: 1.3rem;
  color: var(--text-dark);
  margin-bottom: 0.8rem;
}

.comparison-content {
  display: grid;
  gap: 15px;
}

.traditional,
.modern {
  padding: 15px;
  border-radius: 10px;
  background: var(--white);
}

.traditional {
  border-left: 4px solid #E74C3C;
}

.modern {
  border-left: 4px solid #27AE60;
}

.modern.single {
  border-left: 4px solid var(--secondary-color);
}

.traditional h4,
.modern h4 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.traditional p,
.modern p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 三级体系 */
.system-levels {
  padding: 40px 0;
  background: var(--bg-light);
}

.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-bottom: 30px;
}

.level-card {
  background: var(--white);
  padding: 25px 20px;
  border-radius: 15px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  border: 3px solid transparent;
}

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

.level-card.level-1 {
  border-color: #FFE66D;
}

.level-card.level-2 {
  border-color: #FF6B6B;
}

.level-card.level-3 {
  border-color: #4ECDC4;
}

.level-card.featured {
  border-width: 4px;
}

.level-badge {
  display: inline-block;
  padding: 6px 20px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  border-radius: 25px;
  font-weight: 700;
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
}

.featured-tag {
  position: absolute;
  top: -12px;
  right: 30px;
  background: var(--accent-color);
  color: var(--text-dark);
  padding: 4px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 3px 10px rgba(255, 230, 109, 0.5);
}

.level-card h3 {
  font-size: 1.8rem;
  color: var(--text-dark);
  margin-bottom: 0.8rem;
}

.level-age {
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.level-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 1.5rem;
}

.level-stat {
  padding: 15px;
  background: var(--bg-light);
  border-radius: 10px;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.4rem;
}

.stat-unit {
  color: var(--text-light);
  font-size: 0.9rem;
}

.level-description {
  padding-top: 1.2rem;
  border-top: 2px solid var(--bg-light);
}

.level-description p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 家长困惑 */
.parent-concerns {
  background: var(--white);
  padding: 25px;
  border-radius: 15px;
  box-shadow: var(--shadow);
  text-align: center;
}

.parent-concerns h3 {
  font-size: 1.4rem;
  color: var(--text-dark);
  margin-bottom: 1.2rem;
}

.concerns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 1.2rem;
}

.concern-item {
  padding: 15px;
  background: #FFF3E0;
  border-radius: 10px;
  font-size: 1rem;
  color: var(--text-dark);
  font-weight: 500;
  transition: all 0.3s ease;
}

.concern-item:hover {
  transform: scale(1.05);
  background: #FFE0B2;
}

.solution-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 1.5rem;
  padding: 15px;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
  border-radius: 10px;
}

/* 教学特色 */
.features {
  padding: 100px 0;
  background: var(--white);
}

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

.feature-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

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

.feature-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  animation: bounce 2s infinite;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.8;
}

/* 课程体系 */
.courses {
  padding: 40px 0;
  background: var(--bg-light);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
  margin-bottom: 30px;
}

.course-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

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

.course-card.highlighted {
  border: 3px solid var(--accent-color);
  position: relative;
}

.course-card.highlighted::before {
  /* content: '推荐'; */
  position: absolute;
  top: -15px;
  right: 30px;
  background: var(--accent-color);
  color: var(--text-dark);
  padding: 5px 20px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 3px 10px rgba(255, 230, 109, 0.5);
  z-index: 10;
}

.course-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.course-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s ease;
}

.course-card:hover .course-image img {
  transform: scale(1.1);
}

.course-tag {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--primary-color);
  color: var(--white);
  padding: 6px 16px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 0.85rem;
}

.course-content {
  padding: 25px;
}

.course-content h3 {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
  color: var(--text-dark);
}

.course-content > p {
  color: var(--text-light);
  margin-bottom: 1.2rem;
  line-height: 1.6;
  font-size: 0.95rem;
}

.course-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.course-features li {
  padding: 0.4rem 0;
  color: var(--text-light);
  font-size: 0.95rem;
}

.course-btn {
  display: inline-block;
  padding: 12px 30px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  text-decoration: none;
  border-radius: 25px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.course-btn:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.3);
}

/* 招生对象 */
.enrollment-section {
  margin: 40px 0;
  padding: 30px;
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.enrollment-title {
  text-align: center;
  font-size: 1.8rem;
  color: var(--text-dark);
  margin-bottom: 25px;
  position: relative;
}

.enrollment-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border-radius: 2px;
}

.enrollment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.enrollment-item {
  text-align: center;
  padding: 25px;
  background: var(--bg-light);
  border-radius: 15px;
  transition: all 0.3s ease;
}

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

.enrollment-icon {
  font-size: 2.5rem;
  margin-bottom: 0.8rem;
}

.enrollment-item h4 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}

.enrollment-item p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 特惠活动 */
.promotion-banner {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow);
}

.promotion-content h3 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.promotion-content p {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.promo-note {
  font-weight: 700;
  font-size: 1.1rem !important;
  color: var(--accent-color) !important;
}

/* 联系我们 */
.contact {
  padding: 40px 0;
  background: var(--white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 25px;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.05), rgba(78, 205, 196, 0.05));
  border-radius: 20px;
  border-left: 5px solid var(--primary-color);
  transition: all 0.3s ease;
}

.info-item:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow);
}

.info-icon {
  font-size: 3rem;
  min-width: 70px;
  text-align: center;
}

.info-content h3 {
  font-size: 1.2rem;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}

.phone-number {
  color: var(--primary-color) !important;
  font-size: 1.8rem !important;
  font-weight: 900 !important;
  margin: 0 !important;
  letter-spacing: 2px;
}

.address {
  color: var(--secondary-color) !important;
  font-size: 1.2rem !important;
  font-weight: 600 !important;
  margin: 0 !important;
}

.info-content p {
  color: var(--text-light);
  font-size: 1rem;
  margin: 0;
}

.wechat-qr {
  background: var(--bg-light);
  padding: 30px;
  border-radius: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  position: sticky;
  top: 100px;
}

.wechat-qr h3 {
  font-size: 1.6rem;
  color: var(--text-dark);
  margin-bottom: 1.2rem;
}

.qr-code {
  background: var(--white);
  padding: 15px;
  border-radius: 15px;
  display: inline-block;
  margin-bottom: 0.8rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.qr-code img {
  width: 180px;
  height: 180px;
  display: block;
  border-radius: 10px;
}

.wechat-qr > p {
  color: var(--text-light);
  font-size: 1rem;
  margin-top: 0.8rem;
}

/* 底部特色 */
.bottom-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.bottom-feature {
  text-align: center;
  padding: 30px;
  background: var(--bg-light);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.bottom-feature:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.feature-num {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.bottom-feature h4 {
  font-size: 1.3rem;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

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

/* 页脚 */
.footer {
  background: linear-gradient(135deg, #2C3E50, #34495E);
  color: var(--white);
  padding: 40px 0 15px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.footer-section h4 {
  font-size: 1.2rem;
  margin-bottom: 1.2rem;
  color: var(--accent-color);
}

.footer-section p,
.footer-section ul {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  font-size: 0.95rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.6rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-section a:hover {
  color: var(--accent-color);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer-bottom p {
  margin-bottom: 0.3rem;
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 60px;
    left: -100%;
    flex-direction: column;
    background: var(--white);
    width: 100%;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    padding: 1.5rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero {
    height: 70vh;
    margin-top: 60px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .slider-btn {
    width: 40px;
    height: 40px;
    font-size: 1.8rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

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

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

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

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .wechat-qr {
    position: relative;
    top: 0;
  }

  .info-item {
    flex-direction: column;
    text-align: center;
  }

  .info-icon {
    min-width: auto;
  }

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

  .bottom-features {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

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

  .parent-concerns {
    padding: 20px 15px;
  }

  .section-header {
    margin-bottom: 20px;
  }
}

@media (max-width: 480px) {
  .hero {
    height: 60vh;
  }

  .hero-title {
    font-size: 1.4rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

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

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

  .comparison-number {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
    line-height: 45px;
  }

  .comparison-card h3 {
    font-size: 1.2rem;
  }

  .solution-text {
    font-size: 1.1rem;
  }
}