/* ===================================
   MODERN TECH DESIGN SYSTEM
   =================================== */

:root {
  --primary: #0066ff;
  --primary-dark: #0052cc;
  --primary-light: #4d94ff;
  --secondary: #00d4ff;
  --accent: #ff00ff;
  --dark: #0a0e27;
  --dark-light: #1a1f3a;
  --gray: #6b7280;
  --light-gray: #f3f4f6;
  --white: #ffffff;
  --gradient-1: linear-gradient(135deg, #0066ff 0%, #00d4ff 100%);
  --gradient-2: linear-gradient(135deg, #ff00ff 0%, #0066ff 100%);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  color: var(--dark);
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  min-height: 100vh;
  line-height: 1.6;
}

/* ===================================
   LAYOUT COMPONENTS
   =================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* ===================================
   HEADER
   =================================== */

.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 102, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.logo {
  height: 40px;
  vertical-align: middle;
  margin-right: 12px;
  filter: drop-shadow(0 2px 4px rgba(0, 102, 255, 0.2));
}

.header-brand {
  display: flex;
  align-items: center;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark);
}

.nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 8px;
}

.nav a {
  text-decoration: none;
  color: var(--dark);
  padding: 8px 16px;
  font-weight: 500;
}

/* 移除菜单hover效果 */

/* ===================================
   HERO SECTION
   =================================== */

.hero {
  background: var(--dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 102, 255, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 212, 255, 0.3) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
}

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

/* ===================================
   CAROUSEL
   =================================== */

.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-xl);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.carousel-slide {
  min-width: 100%;
  display: block;
}

.carousel img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.carousel-prev, .carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.carousel-prev:hover, .carousel-next:hover {
  background: var(--white);
  transform: translateY(-50%) scale(1.1);
  box-shadow: var(--shadow-lg);
}

.carousel-prev { left: 20px; }
.carousel-next { right: 20px; }

.carousel-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.carousel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: 2px solid var(--white);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot.is-active {
  background: var(--white);
  width: 32px;
  border-radius: 6px;
}

/* ===================================
   CARDS & GRID
   =================================== */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin: 48px 0;
}

.card {
  background: var(--white);
  border: 1px solid rgba(0, 102, 255, 0.1);
  padding: 24px;
  border-radius: var(--border-radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.card:hover::before {
  transform: scaleX(1);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 12px 0;
  color: var(--dark);
  font-size: 1.25rem;
  font-weight: 600;
}

.card h3 a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.card h3 a:hover {
  color: var(--primary);
}

.card p {
  color: var(--gray);
  margin: 0;
  line-height: 1.6;
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
  background: var(--gradient-1);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-block;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-2);
  transition: left 0.3s ease;
  z-index: 0;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn:hover::before {
  left: 0;
}

.btn span {
  position: relative;
  z-index: 1;
}

/* ===================================
   TRANSITION SECTION
   =================================== */

.transition-section {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--white) 0%, #f8fafc 100%);
  position: relative;
  overflow: hidden;
}

.transition-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 2px;
  background: var(--gradient-1);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.transition-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
}

.transition-icon-wrapper {
  position: relative;
  display: inline-block;
}

.transition-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  animation: pulse 2s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

.transition-glow {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  background: var(--gradient-1);
  border-radius: 50%;
  opacity: 0.3;
  filter: blur(20px);
  animation: glowPulse 3s ease-in-out infinite;
  z-index: 1;
}

@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.1); opacity: 0.5; }
}

.transition-stats {
  display: flex;
  gap: 32px;
  margin-top: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.transition-stats .stat-item {
  text-align: center;
}

.transition-stats .stat-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.transition-stats .stat-label {
  font-size: 0.9rem;
  color: var(--gray);
  font-weight: 500;
}

.transition-bg-shapes {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
}

.shape {
  position: absolute;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
  border-radius: 50%;
  animation: floatShape 8s ease-in-out infinite;
}

.shape-1 {
  width: 100px;
  height: 100px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 60px;
  height: 60px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.shape-3 {
  width: 80px;
  height: 80px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes floatShape {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.transition-icon:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.transition-text h2 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.transition-text p {
  font-size: 1.1rem;
  color: var(--gray);
  margin: 0;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .transition-section {
    padding: 40px 0;
  }
  
  .transition-content {
    flex-direction: column;
    gap: 16px;
  }
  
  .transition-text h2 {
    font-size: 1.5rem;
  }
  
  .transition-text p {
    font-size: 1rem;
  }
}

/* ===================================
   BANNER SECTION
   =================================== */

.banner-section {
  padding: 40px 0;
  background: var(--white);
}

.banner-grid {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 8px 0;
}

.banner-item {
  position: relative;
  flex: 0 0 300px;
  width: 300px;
  height: 200px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.banner-full-width {
  flex: 1 1 100%;
  width: 100%;
  height: auto;

}

.banner-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.banner-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.banner-item:hover img {
  transform: scale(1.05);
}

.banner-link {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

@media (max-width: 768px) {
  .banner-section {
    padding: 20px 0;
  }
  
  .banner-image img {
    height: 150px;
  }
}

/* ===================================
   SECTIONS
   =================================== */

.sections {
  padding: 80px 0;
}

.section {
  margin-bottom: 80px;
}

.section h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================
   FEATURES
   =================================== */

.section ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.section li {
  background: var(--white);
  padding: 24px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 102, 255, 0.1);
  transition: var(--transition);
  position: relative;
  padding-left: 60px;
}

.section li::before {
  content: '⚡';
  position: absolute;
  left: 24px;
  top: 24px;
  font-size: 24px;
}

.section li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

/* ===================================
   GALLERY
   =================================== */

.gallery-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* 大图平铺模式 */
.gallery-large {
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}

.gallery-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  border-radius: var(--border-radius);
  transition: var(--transition);
  box-shadow: var(--shadow-md);
}

.gallery-large .gallery-img {
  height: 320px;
  border-radius: 12px;
}

.gallery-img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

/* ===================================
   FORMS
   =================================== */

label {
  display: block;
  margin-top: 16px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

input, textarea, select {
  padding: 12px 16px;
  width: 100%;
  max-width: 400px;
  border: 2px solid rgba(0, 102, 255, 0.1);
  border-radius: 8px;
  font-family: inherit;
  font-size: 16px;
  transition: var(--transition);
  background: var(--white);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
  background: var(--dark);
  color: var(--white);
  padding: 48px 0 24px;
  margin-top: 80px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
}

.footer .container {
  text-align: center;
}

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

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

.icp {
  margin-top: 16px;
  opacity: 0.8;
  font-size: 14px;
  color: var(--white);
  text-decoration: none;
}

.icp:hover {
  opacity: 1;
  color: var(--primary-light);
}

/* ===================================
   UTILITIES
   =================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

/* ===================================
   CONTACT PAGE STYLES
   =================================== */

/* 联系页面英雄区域 */
.contact-hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.contact-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 40%, rgba(0, 102, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(0, 212, 255, 0.2) 0%, transparent 50%);
  animation: float 8s ease-in-out infinite;
}

.contact-hero-content {
  position: relative;
  z-index: 1;
}

.contact-hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin: 0 0 16px 0;
  background: linear-gradient(135deg, var(--white) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 48px 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.contact-hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* 联系信息网格 */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.contact-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(0, 102, 255, 0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.contact-card:hover::before {
  transform: scaleX(1);
}

.contact-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}

.contact-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 12px 0;
  color: var(--dark);
}

.contact-card p {
  color: var(--gray);
  margin: 0 0 8px 0;
  line-height: 1.6;
}

.contact-info {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 500;
}

.contact-card a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.contact-card a:hover {
  color: var(--primary-dark);
}

/* 联系表单和地图区域 */
.contact-form-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--white) 0%, #f8fafc 100%);
}

.contact-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-form-wrapper,
.contact-map-wrapper {
  background: var(--white);
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0, 102, 255, 0.1);
}

.contact-form-wrapper h2,
.contact-map-wrapper h2 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 32px 0;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-form .row {
  display: flex;
  gap: 24px;
}

.contact-form .row > div {
  flex: 1;
}

.contact-form label {
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 12px 16px;
  border: 2px solid rgba(0, 102, 255, 0.1);
  border-radius: 8px;
  font-family: inherit;
  font-size: 16px;
  transition: var(--transition);
  background: var(--white);
  width: 100%;
  max-width: 100%;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.map-container {
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
}

.map-placeholder {
  height: 300px;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  color: var(--gray);
}

.map-placeholder-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-icon {
  font-size: 1.5rem;
  min-width: 40px;
  height: 40px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.info-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 8px 0;
  color: var(--dark);
}

.info-content p {
  color: var(--gray);
  margin: 0;
  line-height: 1.6;
}

/* 社交媒体区域 */
.social-section {
  padding: 80px 0;
  background: var(--white);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 48px;
}

.social-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--dark);
  transition: var(--transition);
  padding: 20px;
  border-radius: var(--border-radius);
  border: 2px solid rgba(0, 102, 255, 0.1);
  background: var(--white);
}

.social-link:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
  color: var(--primary);
}

.social-icon {
  font-size: 2rem;
  width: 60px;
  height: 60px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition);
}

.social-link:hover .social-icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.social-link span {
  font-weight: 600;
  font-size: 0.9rem;
}

/* FAQ区域 */
.faq-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--white) 0%, #f8fafc 100%);
}

.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--white);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 102, 255, 0.1);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.faq-question {
  padding: 24px 32px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--dark);
  font-size: 1.1rem;
  transition: var(--transition);
  background: var(--white);
}

.faq-question:hover {
  background: rgba(0, 102, 255, 0.05);
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--primary);
  transition: var(--transition);
  font-weight: 400;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: rgba(0, 102, 255, 0.02);
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 32px 24px;
  margin: 0;
  color: var(--gray);
  line-height: 1.6;
}

/* 客户评价区域 */
.testimonials-section {
  padding: 80px 0;
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--white);
  padding: 32px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 102, 255, 0.1);
  transition: var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.2;
  font-family: Georgia, serif;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.testimonial-content {
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.testimonial-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--dark);
  font-style: italic;
  margin: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 50px;
  height: 50px;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}

.author-info {
  flex: 1;
}

.author-name {
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 4px;
}

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

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    gap: 16px;
    padding: 12px 16px;
  }
  
  .nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .nav a {
    padding: 6px 12px;
    font-size: 14px;
  }
  
  .hero {
    padding: 40px 0;
  }
  
  .carousel img {
    height: 250px;
  }
  
  .carousel-prev, .carousel-next {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
  
  .carousel-prev { left: 10px; }
  .carousel-next { right: 10px; }
  
  .grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 32px 0;
  }
  
  .sections {
    padding: 40px 0;
  }
  
  .section {
    margin-bottom: 40px;
  }
  
  .section h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
  }
  
  .section ul {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .gallery-list {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
  }
  
  .gallery-img {
    height: 180px;
  }

  /* 大图平铺模式（移动端） */
  .gallery-large {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .gallery-large .gallery-img {
    height: 220px;
  }
  
  /* 联系页面移动端适配 */
  .contact-hero {
    padding: 80px 0 60px;
  }
  
  .contact-hero-title {
    font-size: 2.5rem;
  }
  
  .contact-hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 32px;
  }
  
  .contact-hero-stats {
    gap: 24px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .stat-label {
    font-size: 0.9rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 32px;
  }
  
  .contact-card {
    padding: 24px;
  }
  
  .contact-icon {
    font-size: 2.5rem;
  }
  
  .contact-form-section {
    padding: 60px 0;
  }
  
  .contact-form-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .contact-form-wrapper,
  .contact-map-wrapper {
    padding: 32px 24px;
  }
  
  .contact-form-wrapper h2,
  .contact-map-wrapper h2 {
    font-size: 1.5rem;
    margin-bottom: 24px;
  }
  
  .contact-form .row {
    flex-direction: column;
    gap: 16px;
  }
  
  .social-links {
    gap: 16px;
  }
  
  .social-link {
    padding: 16px;
  }
  
  .social-icon {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
  
  .faq-section {
    padding: 60px 0;
  }
  
  .faq-list {
    margin-top: 32px;
  }
  
  .faq-question {
    padding: 20px 24px;
    font-size: 1rem;
  }
  
  .faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.95rem;
  }
  
  .testimonials-section {
    padding: 60px 0;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 32px;
  }
  
  .testimonial-card {
    padding: 24px;
  }
  
  .testimonial-content p {
    font-size: 1rem;
  }
  
  .author-avatar {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  
  .author-name {
    font-size: 0.95rem;
  }
  
  .author-title {
    font-size: 0.85rem;
  }
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

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

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

/* ===================================
   ADMIN IMAGE GRID STYLES
   =================================== */

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  max-width: 100%;
}

@media (min-width: 1000px) {
  .image-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}

@media (max-width: 999px) and (min-width: 768px) {
  .image-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (max-width: 767px) and (min-width: 576px) {
  .image-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 767px) {
  .image-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.image-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  background: #f8f9fa;
  border: 2px solid #e9ecef;
  transition: all 0.3s ease;
}

.image-item:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.image-item-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.8);
  padding: 8px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  backdrop-filter: blur(4px);
}

.image-item:hover .image-item-controls {
  transform: translateY(0);
}

.image-item-controls input {
  margin-bottom: 4px;
  padding: 4px 8px;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-radius: 4px;
}

.image-item-controls input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.image-item-controls button {
  width: 100%;
  margin-top: 4px;
  font-size: 12px;
  padding: 4px 8px;
}

.image-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  background: rgba(220, 53, 69, 0.9);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: bold;
  opacity: 0;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
  z-index: 10;
}

.image-item:hover .image-delete {
  opacity: 1;
}

.image-delete:hover {
  background: rgba(220, 53, 69, 1);
  transform: scale(1.1);
}

/* 隐藏的input框 */
.hidden-inputs {
  display: none;
}

/* 图片预览容器 */
.image-preview-grid {
  margin-top: 16px;
}

/* 图片预览样式 */
.image-preview {
  position: relative;
  aspect-ratio: 1;
  width: 120px;
  height: 120px;
  border-radius: 8px;
  overflow: hidden;
  background: #f8f9fa;
  border: 2px solid #e9ecef;
  margin-top: 8px;
}

.image-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-preview.has-image {
  border-color: var(--primary);
}

/* 管理页面通用样式 */
.admin-form-group {
  margin-bottom: 24px;
}

.admin-btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.admin-btn-primary {
  background: var(--primary);
  color: white;
}

.admin-btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.admin-btn-secondary {
  background: #6c757d;
  color: white;
}

.admin-btn-secondary:hover {
  background: #5a6268;
}

.admin-btn-danger {
  background: #dc3545;
  color: white;
}

.admin-btn-danger:hover {
  background: #c82333;
}

.admin-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.row > div {
  flex: 1;
}

/* 图片上传区域 */
.upload-area {
  border: 2px dashed #dee2e6;
  border-radius: 8px;
  padding: 24px;
  text-align: center;
  background: #f8f9fa;
  transition: all 0.3s ease;
  cursor: pointer;
}

.upload-area:hover {
  border-color: var(--primary);
  background: #f0f8ff;
}