/* ============================================
   Conmot Wu Studio - Main Stylesheet
   迪士尼风格，富动画效果的专业官网
   ============================================ */

:root {
  /* 主色调 - 迪士尼风格的蓝色和金色 */
  --primary-color: #0066cc;
  --secondary-color: #ffd700;
  --accent-color: #ff6b6b;
  --dark-bg: #0a1929;
  --light-bg: #ffffff;
  --text-dark: #1a1a1a;
  --text-light: #ffffff;
  --border-color: #e0e0e0;
  
  /* 过渡效果 */
  --transition-duration: 0.3s;
  --transition-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   全局样式重置和基础设置
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
}

body {
  background: linear-gradient(135deg, var(--light-bg) 0%, #f8f9fa 100%);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   关键帧动画定义
   ============================================ */

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes glow {
  0%, 100% {
    text-shadow: 0 0 10px rgba(0, 102, 204, 0.5);
  }
  50% {
    text-shadow: 0 0 20px rgba(0, 102, 204, 0.8), 0 0 30px rgba(255, 215, 0, 0.6);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes wave {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(15deg);
  }
  75% {
    transform: rotate(-15deg);
  }
}

/* ============================================
   导航栏样式
   ============================================ */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  animation: fadeInDown 0.6s var(--transition-function);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glow 3s ease-in-out infinite;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: transform var(--transition-duration) var(--transition-function);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  width: 40px;
  height: 40px;
  animation: spin 20s linear infinite;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 3rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 16px;
  position: relative;
  transition: color var(--transition-duration) var(--transition-function);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transition: width var(--transition-duration) var(--transition-function);
}

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

nav a:hover::after {
  width: 100%;
}

.cta-button {
  background: linear-gradient(135deg, var(--primary-color), #0052a3);
  color: var(--text-light);
  padding: 12px 24px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-duration) var(--transition-function);
  box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 102, 204, 0.5);
}

.cta-button:active {
  transform: translateY(-1px);
}

/* ============================================
   英雄区域 (Hero Section)
   ============================================ */

.hero {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
  background: linear-gradient(135deg, #001a4d 0%, #003d99 50%, #0066cc 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
  animation: pulse 4s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  animation: fadeInUp 1s var(--transition-function);
}

.hero h1 {
  font-size: clamp(36px, 8vw, 72px);
  color: var(--text-light);
  margin-bottom: 1rem;
  font-weight: 800;
  line-height: 1.2;
  animation: scaleIn 0.8s var(--transition-function);
}

.hero-title-highlight {
  background: linear-gradient(90deg, var(--secondary-color), #ffed4e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  animation: glow 2s ease-in-out infinite;
}

.hero p {
  font-size: clamp(16px, 3vw, 24px);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
  line-height: 1.6;
  animation: fadeInUp 1.2s var(--transition-function);
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1.4s var(--transition-function);
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary-color), #ffed4e);
  color: var(--text-dark);
  padding: 16px 40px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  transition: all var(--transition-duration) var(--transition-function);
  box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
}

.btn-primary:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 35px rgba(255, 215, 0, 0.6);
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  padding: 16px 40px;
  border: 2px solid var(--text-light);
  border-radius: 50px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  transition: all var(--transition-duration) var(--transition-function);
}

.btn-secondary:hover {
  background: var(--text-light);
  color: var(--primary-color);
  transform: translateY(-5px);
}

/* ============================================
   服务区域 (Services Section)
   ============================================ */

.services {
  padding: 8rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
  background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  animation: fadeInDown 0.8s var(--transition-function);
}

.section-title h2 {
  font-size: clamp(32px, 6vw, 56px);
  color: var(--text-dark);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  font-size: 20px;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.service-card {
  background: var(--light-bg);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-duration) var(--transition-function);
  animation: fadeInUp 0.8s var(--transition-function);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.2), transparent);
  transition: left 0.6s var(--transition-function);
  z-index: 1;
}

.service-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 20px 50px rgba(0, 102, 204, 0.15);
  border-color: var(--primary-color);
}

.service-card:hover::before {
  left: 100%;
}

.service-card-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  transition: all var(--transition-duration) var(--transition-function);
  position: relative;
  z-index: 2;
}

.service-card:hover .service-card-icon {
  transform: scale(1.1) rotate(10deg);
}

.service-card h3 {
  font-size: 24px;
  margin-bottom: 1rem;
  color: var(--text-dark);
  position: relative;
  z-index: 2;
}

.service-card p {
  color: #666;
  font-size: 16px;
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

/* ============================================
   功能特性区域 (Features Section)
   ============================================ */

.features {
  padding: 8rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
  background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

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

.features-text h3 {
  font-size: 44px;
  margin-bottom: 2rem;
  color: var(--text-dark);
  line-height: 1.2;
}

.feature-list {
  list-style: none;
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  animation: slideInLeft 0.8s var(--transition-function);
}

.feature-item::before {
  content: '✓';
  font-size: 28px;
  color: var(--secondary-color);
  font-weight: bold;
  flex-shrink: 0;
  animation: bounce 1s ease-in-out infinite;
}

.feature-item p {
  font-size: 18px;
  color: #555;
  line-height: 1.6;
}

.features-image {
  position: relative;
  height: 400px;
  animation: slideInRight 0.8s var(--transition-function);
}

.features-image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(255, 215, 0, 0.1));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 100px;
  animation: float 3s ease-in-out infinite;
  border: 2px solid var(--border-color);
}

/* ============================================
   联系表单区域 (Contact Section)
   ============================================ */

.contact-section {
  padding: 8rem 2rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, #0052a3 100%);
  color: var(--text-light);
  text-align: center;
}

.contact-section-content {
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 0.8s var(--transition-function);
}

.contact-section h2 {
  font-size: clamp(32px, 6vw, 56px);
  margin-bottom: 1.5rem;
}

.contact-section p {
  font-size: 20px;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* ============================================
   页脚 (Footer)
   ============================================ */

footer {
  background: var(--dark-bg);
  color: var(--text-light);
  padding: 4rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h4 {
  font-size: 18px;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

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

.footer-section a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 0.8rem;
  transition: color var(--transition-duration) var(--transition-function);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

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

.social-link {
  width: 45px;
  height: 45px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-duration) var(--transition-function);
  text-decoration: none;
  color: var(--text-light);
  font-size: 20px;
}

.social-link:hover {
  background: var(--secondary-color);
  color: var(--text-dark);
  transform: translateY(-5px);
  animation: bounce 0.6s ease-in-out;
}

/* ============================================
   联系我们页面 (Contact Page)
   ============================================ */

.contact-hero {
  margin-top: 80px;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, var(--primary-color) 0%, #0052a3 100%);
  text-align: center;
  color: var(--text-light);
  animation: fadeInDown 0.8s var(--transition-function);
}

.contact-hero h1 {
  font-size: clamp(32px, 6vw, 56px);
  margin-bottom: 1rem;
}

.contact-main {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-form-section {
  animation: slideInLeft 0.8s var(--transition-function);
}

.contact-info-section {
  animation: slideInRight 0.8s var(--transition-function);
}

.contact-form-section h2,
.contact-info-section h2 {
  font-size: 32px;
  margin-bottom: 2rem;
  color: var(--text-dark);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
  transition: all var(--transition-duration) var(--transition-function);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.submit-button {
  background: linear-gradient(135deg, var(--primary-color), #0052a3);
  color: var(--text-light);
  padding: 16px 40px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-duration) var(--transition-function);
  width: 100%;
  box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.submit-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 102, 204, 0.5);
}

.submit-button:active {
  transform: translateY(-1px);
}

.contact-info-card {
  background: var(--light-bg);
  border: 2px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: all var(--transition-duration) var(--transition-function);
}

.contact-info-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(0, 102, 204, 0.1);
  transform: translateY(-5px);
}

.contact-info-card h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-info-card p {
  color: #666;
  font-size: 16px;
}

/* ============================================
   政策页面 (Policy Pages)
   ============================================ */

.policy-page {
  margin-top: 80px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  padding: 4rem 2rem;
  animation: fadeInUp 0.8s var(--transition-function);
}

.policy-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, var(--primary-color), #0052a3);
  color: var(--text-light);
  border-radius: 15px;
}

.policy-header h1 {
  font-size: 48px;
  margin-bottom: 1rem;
}

.policy-header p {
  font-size: 18px;
  opacity: 0.9;
}

.policy-content h2 {
  font-size: 28px;
  color: var(--primary-color);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  border-bottom: 3px solid var(--secondary-color);
  padding-bottom: 0.5rem;
}

.policy-content h3 {
  font-size: 22px;
  color: var(--text-dark);
  margin-top: 1.5rem;
  margin-bottom: 0.8rem;
}

.policy-content p {
  line-height: 1.8;
  color: #555;
  margin-bottom: 1rem;
  font-size: 16px;
}

.policy-content ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 1.5rem;
}

.policy-content li {
  padding-left: 2rem;
  position: relative;
  margin-bottom: 0.8rem;
  color: #555;
  line-height: 1.6;
}

.policy-content li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.table-responsive {
  overflow-x: auto;
  margin: 2rem 0;
}

.policy-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.policy-content table th {
  background: linear-gradient(135deg, var(--primary-color), #0052a3);
  color: var(--text-light);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
}

.policy-content table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.policy-content table tr:hover {
  background: rgba(0, 102, 204, 0.05);
}

/* ============================================
   响应式设计 (Responsive Design)
   ============================================ */

@media (max-width: 768px) {
  nav ul {
    gap: 1.5rem;
    font-size: 14px;
  }

  .logo {
    font-size: 22px;
  }

  .logo-icon {
    width: 30px;
    height: 30px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

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

  .features-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .features-image {
    height: 250px;
  }

  .contact-main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .section-title h2 {
    font-size: 36px;
  }

  .policy-header h1 {
    font-size: 32px;
  }

  .policy-content h2 {
    font-size: 22px;
  }

  .policy-content h3 {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  header {
    padding: 1rem;
  }

  nav {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul {
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
  }

  nav a {
    display: block;
    padding: 0.5rem 0;
  }

  .hero {
    min-height: calc(100vh - 60px);
    padding: 2rem 1rem;
  }

  .hero h1 {
    font-size: 28px;
  }

  .hero p {
    font-size: 16px;
  }

  .services {
    padding: 4rem 1rem;
  }

  .section-title h2 {
    font-size: 28px;
  }

  .feature-item {
    gap: 1rem;
  }

  .policy-page {
    padding: 2rem 1rem;
  }

  .policy-header {
    padding: 1.5rem;
  }

  .policy-header h1 {
    font-size: 24px;
  }
}

/* ============================================
   无障碍设计 (Accessibility)
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================
   打印样式 (Print Styles)
   ============================================ */

@media print {
  header,
  footer,
  .cta-button,
  nav {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: blue;
    text-decoration: underline;
  }
}