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

:root {
  --primary-color: #ff6b9d;
  --secondary-color: #ff8fab;
  --accent-color: #ffd93d;
  --dark-color: #1a1a1a;
  --text-color: #333;
  --light-bg: #fff5f8;
  --border-color: #ffe0eb;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: #fff;
}

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

.header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--dark-color);
  font-size: 24px;
  font-weight: 700;
}

.logo-icon {
  font-size: 32px;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.3s;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--dark-color);
}

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  margin-top: 70px;
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.85), rgba(139, 0, 0, 0.85));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.hero-title {
  font-size: 5rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
  letter-spacing: 8px;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  opacity: 0.95;
  letter-spacing: 2px;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 1rem 3rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: #fff;
  color: var(--primary-color);
  border-color: #fff;
}

.btn-primary:hover {
  background: transparent;
  color: #fff;
  border-color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border-color: #fff;
}

.btn-secondary:hover {
  background: #fff;
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.section {
  padding: 5rem 0;
}

.section:nth-child(even) {
  background: var(--light-bg);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--dark-color);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.section-subtitle {
  font-size: 1.2rem;
  color: #666;
  margin-top: 2rem;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image img {
  width: 100%;
  border-radius: 15px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.about-text h3 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #555;
  margin-bottom: 1.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: transform 0.3s;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: #666;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.service-card {
  background: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: all 0.3s;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

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

.service-content {
  padding: 2rem;
}

.service-content h3 {
  font-size: 1.5rem;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.service-content p {
  color: #666;
  line-height: 1.8;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.work-card {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  cursor: pointer;
}

.work-image {
  position: relative;
  width: 100%;
  height: 350px;
  overflow: hidden;
}

.work-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

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

.work-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  display: flex;
  align-items: flex-end;
  opacity: 0;
  transition: opacity 0.3s;
}

.work-card:hover .work-overlay {
  opacity: 1;
}

.work-info {
  padding: 2rem;
  color: #fff;
}

.work-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.work-info p {
  font-size: 1rem;
  opacity: 0.9;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem;
}

.team-card {
  background: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: all 0.3s;
  cursor: pointer;
}

.team-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.team-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.team-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

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

.team-info {
  padding: 1.5rem;
  text-align: center;
}

.team-info h3 {
  font-size: 1.1rem;
  color: var(--dark-color);
  margin-bottom: 0.5rem;
}

.team-info p {
  font-size: 0.9rem;
  color: #666;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
}

.news-card {
  background: #fff;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  transition: all 0.3s;
}

.news-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.news-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-content {
  padding: 2rem;
}

.news-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.news-date {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.9rem;
}

.news-category {
  padding: 0.25rem 0.75rem;
  background: var(--primary-color);
  color: #fff;
  border-radius: 20px;
  font-size: 0.85rem;
}

.news-content h3 {
  font-size: 1.3rem;
  color: var(--dark-color);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.news-content p {
  color: #666;
  line-height: 1.8;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem;
  align-items: center;
}

.partner-item {
  padding: 2rem;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-item:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 20px rgba(0,0,0,0.12);
}

.partner-item img {
  width: 100%;
  height: auto;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all 0.3s;
}

.partner-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
  transition: all 0.3s;
}

.contact-item:hover {
  transform: translateX(10px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.12);
}

.contact-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

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

.contact-text p {
  color: #666;
  line-height: 1.8;
}

.contact-form {
  background: #fff;
  padding: 3rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
  border: none;
  background: var(--primary-color);
  color: #fff;
}

.contact-form .btn:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
}

.footer {
  background: var(--dark-color);
  color: #fff;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand .brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  font-size: 1.8rem;
  font-weight: 700;
}

.footer-brand p {
  margin-bottom: 1.5rem;
  opacity: 0.8;
  font-size: 1.1rem;
}

.footer-brand .brand-description {
  font-size: 0.95rem;
  line-height: 1.8;
  opacity: 0.75;
  margin-bottom: 2rem;
  max-width: 500px;
}

.social-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.social-links a {
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.1);
  border-radius: 20px;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  transition: all 0.3s;
}

.footer-col a:hover {
  color: #fff;
  padding-left: 5px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  opacity: 0.7;
  font-size: 0.9rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s;
}

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

.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 999;
}

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

.scroll-top:hover {
  background: var(--secondary-color);
  transform: translateY(-5px);
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-title {
    font-size: 3rem;
    letter-spacing: 4px;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

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

  .section-title {
    font-size: 2rem;
  }

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

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

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

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

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

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

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

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

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

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

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
    letter-spacing: 2px;
  }

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

  .section {
    padding: 3rem 0;
  }

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

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

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

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

  .footer-links {
    grid-template-columns: 1fr;
  }
}