body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: #0b021c;
  color: #fff;
  overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(11, 2, 28, 0.95);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(168, 85, 247, 0.2);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 40px;
}

.logo {
  display: flex;
  align-items: center;
  position: relative;
  z-index: 10;
  gap: 15px;
}

.logo-image {
  height: 60px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
  background: linear-gradient(90deg, #ffffff, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 96px;
  height: 96px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
  margin: 0;
  padding: 0;
  justify-content: center;
  flex: 1;
  position: relative;
}

.nav-link {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 10px 0;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: #c084fc;
  transform: translateY(-2px);
}

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

.nav-actions {
  display: flex;
  gap: 15px;
  align-items: center;
}

.nav-cta {
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border: none;
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  z-index: 1;
  text-decoration: none;
  display: inline-block;
}

.nav-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.nav-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.4);
}

.nav-cta:hover::before {
  left: 100%;
}

.nav-login {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-login:hover {
  border-color: #c084fc;
  color: #c084fc;
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(168, 85, 247, 0.3);
}

/* 头部样式调整 */
header {
  text-align: center;
  padding: 200px 20px 140px;
  background: linear-gradient(135deg, #0b021c 0%, #1a053a 100%);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(168, 85, 247, 0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  z-index: 0;
}

header::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  animation: pulse 8s ease-in-out infinite;
}

header h1, header p, header button {
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 25px;
  text-shadow: 0 0 30px rgba(168, 85, 247, 0.5);
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, #ffffff, #c084fc, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: textShine 3s ease-in-out infinite;
}

header p {
  color: #d6b4ff;
  font-size: 1.6rem;
  margin-top: 0;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  margin-bottom: 40px;
  letter-spacing: 0.5px;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.header-features {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 30px 0;
  flex-wrap: wrap;
}

.feature-badge {
  background: rgba(168, 85, 247, 0.2);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 30px;
  padding: 10px 24px;
  color: #c084fc;
  font-size: 1rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(168, 85, 247, 0.2);
}

.feature-badge:hover {
  background: rgba(168, 85, 247, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(168, 85, 247, 0.4);
}

.cta {
  margin-top: 40px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border: none;
  color: white;
  font-size: 1.2rem;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
  position: relative;
  overflow: hidden;
  z-index: 1;
  text-decoration: none;
  display: inline-block;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.cta:hover {
  transform: scale(1.05) translateY(-3px);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.6);
}

.cta:hover::before {
  left: 100%;
}

/* 固定两侧平台logo */
.platforms-fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  pointer-events: none;
  z-index: 100;
}

.platforms-fixed-left,
.platforms-fixed-right {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.platforms-fixed-left {
  left: 20px;
}

.platforms-fixed-right {
  right: 20px;
}

.platform-fixed-item {
  display: flex;
  align-items: center;
  gap: 15px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  padding: 15px 20px;
  backdrop-filter: blur(10px);
  transition: all 0.6s ease;
  pointer-events: auto;
  cursor: pointer;
  opacity: 0;
  transform: translateX(-100px);
  animation: slideInLeft 0.8s ease forwards;
}

.platforms-fixed-right .platform-fixed-item {
  flex-direction: row-reverse;
  transform: translateX(100px);
  animation: slideInRight 0.8s ease forwards;
}

.platform-fixed-item:hover {
  background: rgba(168, 85, 247, 0.2);
  border-color: rgba(168, 85, 247, 0.5);
  transform: translateX(10px) !important;
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.3);
}

.platforms-fixed-right .platform-fixed-item:hover {
  transform: translateX(-10px) !important;
}

.platform-fixed-item img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.platform-fixed-item img[src*="icon-x.png"],
.platform-fixed-item img[src*="icon-bigo.png"] {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 5px;
}

.platform-fixed-item:hover img {
  transform: scale(1.1);
}

.platform-fixed-item span {
  font-size: 1rem;
  color: #d6b4ff;
  font-weight: 500;
  white-space: nowrap;
}

/* 动画 */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-100px);
  }
}

.platform-fixed-item.fade-out {
  animation: fadeOut 0.8s ease forwards;
}

.platforms-fixed-right .platform-fixed-item.fade-out {
  animation: fadeOutRight 0.8s ease forwards;
}

@keyframes fadeOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100px);
  }
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .platform-fixed-item {
    padding: 12px 16px;
  }
  
  .platform-fixed-item img {
    width: 35px;
    height: 35px;
  }
  
  .platform-fixed-item span {
    font-size: 0.9rem;
  }
  
  .platforms-fixed-left {
    left: 15px;
  }
  
  .platforms-fixed-right {
    right: 15px;
  }
}

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

.stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 60px 20px;
  background: rgba(255,255,255,0.05);
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 30px 25px;
  transition: all 0.3s ease;
  min-width: 160px;
}

.stat:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(168, 85, 247, 0.2);
  border-color: rgba(168, 85, 247, 0.3);
}

.stat h3 {
  font-size: 2rem;
  color: #c084fc;
  margin: 0 0 10px 0;
  font-weight: 700;
  animation: pulse 2s ease-in-out infinite;
}

.stat p {
  color: #d6b4ff;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.4;
}

.case-section {
  padding: 80px 20px;
  text-align: center;
  background: #13032c;
}

.case-section h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}

.case-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.case {
  background: rgba(255,255,255,0.05);
  border-radius: 16px;
  width: 300px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

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

.case img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.case p {
  padding: 20px;
  color: #d6b4ff;
  font-size: 0.95rem;
}

/* 英雄特性模块 */
.hero-features {
  padding: 100px 20px;
  background: linear-gradient(135deg, #0b021c 0%, #1a053a 100%);
  position: relative;
  overflow: hidden;
}

.hero-features::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.features-container {
  display: flex;
  justify-content: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}

.feature-item {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 40px 30px;
  text-align: center;
  width: 320px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.feature-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.feature-item:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 25px 50px rgba(168, 85, 247, 0.25);
  border-color: rgba(168, 85, 247, 0.5);
}

.feature-item:hover::after {
  transform: scaleX(1);
}

.feature-item:hover .feature-icon {
  transform: scale(1.2) rotate(10deg);
  background: linear-gradient(135deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
  animation: pulse 2s ease-in-out infinite;
  transition: all 0.4s ease;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes textShine {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.feature-item h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #fff;
  font-weight: 600;
}

.feature-item p {
  color: #d6b4ff;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* 服务模块样式 */
.services {
  padding: 100px 20px;
  background: #0b021c;
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(168, 85, 247, 0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.services-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.services-container h2 {
  font-size: 3.2rem;
  margin-bottom: 30px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
  letter-spacing: -0.5px;
}

.services-subtitle {
  font-size: 1.3rem;
  color: #d6b4ff;
  margin-bottom: 80px;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  letter-spacing: 0.5px;
}

.services-container h2::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.service-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 40px;
  text-align: left;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.service-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(168, 85, 247, 0.1), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}

.service-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 30px 60px rgba(168, 85, 247, 0.3);
  border-color: rgba(168, 85, 247, 0.5);
}

.service-card:hover::before {
  opacity: 1;
  animation: shine 1.5s ease-out;
}

@keyframes shine {
  0% {
    transform: translateX(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) rotate(45deg);
  }
}

.service-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.service-icon {
  
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  animation: iconPulse 3s ease-in-out infinite;
}

.service-icon svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.5));
}

@keyframes iconPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.5));
  }
  50% {
    transform: scale(1.05);
    filter: drop-shadow(0 0 15px rgba(168, 85, 247, 0.8));
  }
}

.service-card:nth-child(2) .service-icon {
  animation-delay: 0.5s;
}

.service-card:nth-child(3) .service-icon {
  animation-delay: 1s;
}

.service-card:nth-child(4) .service-icon {
  animation-delay: 1.5s;
}

.service-card:nth-child(5) .service-icon {
  animation-delay: 2s;
}

.service-card:nth-child(6) .service-icon {
  animation-delay: 2.5s;
}

.service-card h3 {
  font-size: 1.3rem;
  margin: 0;
  color: #fff;
  font-weight: 600;
}

.service-card p {
  color: #d6b4ff;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 25px 0;
  position: relative;
  z-index: 1;
}

.service-tag {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(90deg, rgba(168, 85, 247, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 20px;
  color: #c084fc;
  font-size: 0.85rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

/* 优势模块样式 */
.advantage {
  padding: 100px 20px;
  background: linear-gradient(135deg, #13032c 0%, #0b021c 100%);
  position: relative;
  overflow: hidden;
}

.advantage::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  animation: float 25s ease-in-out infinite reverse;
}

.advantage-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.advantage-container h2 {
  font-size: 2.5rem;
  margin-bottom: 80px;
  text-align: center;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
}

.advantage-container h2::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.advantage-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.advantage-left {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.advantage-item {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.advantage-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #a855f7, #6366f1);
  transition: width 0.3s ease;
}

.advantage-item:hover {
  transform: translateX(10px);
  box-shadow: 0 15px 30px rgba(168, 85, 247, 0.2);
  border-color: rgba(168, 85, 247, 0.3);
}

.advantage-item:hover::before {
  width: 8px;
}

.advantage-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: #a855f7;
  margin-bottom: 10px;
  display: block;
}

.advantage-item h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: #fff;
  font-weight: 600;
}

.advantage-item p {
  color: #d6b4ff;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.advantage-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.advantage-visual {
  width: 400px;
  height: 400px;
  position: relative;
}

.visual-element {
  position: relative;
  width: 100%;
  height: 100%;
}

.element-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a855f7, #6366f1);
  opacity: 0.8;
  animation: pulse 3s ease-in-out infinite;
}

.element-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  border: 2px solid rgba(168, 85, 247, 0.3);
  border-radius: 50%;
  animation: rotate 20s linear infinite;
}

.element-dots {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.element-dots::before,
.element-dots::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #a855f7;
  animation: pulse 2s ease-in-out infinite;
}

.element-dots::before {
  top: 20%;
  right: 20%;
}

.element-dots::after {
  bottom: 20%;
  left: 20%;
  animation-delay: 1s;
}

@keyframes rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* 联系我们样式 */
.contact {
  padding: 80px 20px;
  background: linear-gradient(135deg, #0b021c 0%, #1a053a 100%);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(168, 85, 247, 0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.contact-container h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #ffffff, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
  letter-spacing: -0.5px;
}

.contact-container h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.contact-container p {
  color: #d6b4ff;
  margin-bottom: 60px;
  font-size: 1.1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  letter-spacing: 0.5px;
}

.contact-content {
  display: flex;
  justify-content: center;
  align-items: center;
  max-width: 700px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 30px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(99, 102, 241, 0.1));
  backdrop-filter: blur(15px);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 700px;
  box-shadow: 0 15px 35px rgba(168, 85, 247, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(168, 85, 247, 0.1), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}

.contact-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px rgba(168, 85, 247, 0.3);
  border-color: rgba(168, 85, 247, 0.5);
}

.contact-card:hover::before {
  opacity: 1;
  animation: shine 1.8s ease-in-out infinite;
}

.contact-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #a855f7, #6366f1);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all 0.4s ease;
  box-shadow: 0 8px 25px rgba(168, 85, 247, 0.4);
}

.contact-card:hover .contact-card-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 30px rgba(168, 85, 247, 0.6);
}

.contact-card-icon svg {
  width: 32px;
  height: 32px;
  transition: all 0.4s ease;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.contact-card-content {
  flex: 1;
  text-align: right;
}

.contact-card-content h3 {
  margin: 0;
  font-size: 1.5rem;
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #ffffff, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: left;
}

.contact-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 15px;
}

.contact-card-description {
  margin: 0;
  color: #d6b4ff;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 100%;
  text-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
  text-align: left;
}

.contact-card-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  z-index: 1;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.4);
}

.contact-card-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.contact-card-button:hover {
  transform: scale(1.05) translateY(-3px);
  box-shadow: 0 15px 40px rgba(168, 85, 247, 0.6);
}

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

.contact-card-button:hover .button-icon {
  transform: translateX(8px);
}

.button-icon {
  transition: transform 0.3s ease;
  font-size: 1.1rem;
  font-weight: bold;
}

@keyframes shine {
  0% {
    transform: translateX(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) rotate(45deg);
  }
}

.contact-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.contact-button:hover {
  transform: scale(1.05) translateY(-3px);
  box-shadow: 0 15px 40px rgba(168, 85, 247, 0.6);
}

.contact-button:hover::before {
  left: 100%;
}

.contact-button:hover .button-arrow {
  transform: translateX(10px);
}

.button-arrow {
  transition: transform 0.3s ease;
  font-size: 1.2rem;
  font-weight: bold;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(10px, -10px) rotate(5deg); }
  50% { transform: translate(0, 10px) rotate(0deg); }
  75% { transform: translate(-10px, -5px) rotate(-5deg); }
}

/* 页脚样式 */
footer {
  background: linear-gradient(135deg, #0b021c 0%, #1a053a 100%);
  border-top: 1px solid rgba(168, 85, 247, 0.2);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(168, 85, 247, 0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
  padding: 80px 40px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo-image {
  height: 50px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.3));
}

.footer-logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
  background: linear-gradient(90deg, #ffffff, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc {
  color: #d6b4ff;
  line-height: 1.8;
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-item-footer {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-label {
  color: #c084fc;
  font-weight: 600;
  font-size: 0.9rem;
}

.contact-value {
  color: #d6b4ff;
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.95rem;
}

.contact-value:hover {
  color: #a855f7;
}

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: 25px;
  color: #fff;
  font-weight: 600;
  position: relative;
  padding-bottom: 10px;
}

.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: #d6b4ff;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  display: inline-block;
  position: relative;
}

.footer-section ul li a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  transition: width 0.3s ease;
}

.footer-section ul li a:hover {
  color: #a855f7;
  transform: translateX(5px);
}

.footer-section ul li a:hover::before {
  width: 100%;
}

.footer-bottom {
  text-align: center;
  padding: 30px 20px;
  border-top: 1px solid rgba(168, 85, 247, 0.1);
  position: relative;
  z-index: 1;
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.footer-bottom-content p {
  color: #aaa;
  font-size: 0.9rem;
  margin: 0;
}

.footer-disclaimer {
  color: #888 !important;
  font-size: 0.85rem !important;
}

/* 导航栏交互效果 */
.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  transition: width 0.3s ease;
}

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

/* 按钮交互效果 */
button.cta,
.nav-cta,
.form-submit {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

button.cta::before,
.nav-cta::before,
.form-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

button.cta:hover::before,
.nav-cta:hover::before,
.form-submit:hover::before {
  left: 100%;
}

/* 数字增长动画增强 */
@keyframes countUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.stat h3 {
  animation: countUp 1s ease-out forwards;
  opacity: 0;
}

.stat:nth-child(1) h3 {
  animation-delay: 0.2s;
}

.stat:nth-child(2) h3 {
  animation-delay: 0.4s;
}

.stat:nth-child(3) h3 {
  animation-delay: 0.6s;
}

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

.hero-features,
.services,
.platforms,
.cases,
.about,
.faq,
.contact {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-features.visible,
.services.visible,
.platforms.visible,
.cases.visible,
.about.visible,
.faq.visible,
.contact.visible {
  opacity: 1;
  transform: translateY(0);
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-container {
    padding: 15px 20px;
    flex-direction: column;
    gap: 20px;
  }
  
  .logo {
    align-items: center;
    gap: 10px;
  }
  
  .logo-image {
    height: 50px;
  }
  
  .logo-text {
    font-size: 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 30px;
  }
  
  .footer-brand {
    text-align: center;
    align-items: center;
  }
  
  .footer-desc {
    max-width: 100%;
    text-align: center;
  }
  
  .footer-contact-info {
    align-items: center;
  }
  
  .footer-section {
    text-align: center;
  }
  
  .footer-section h4::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-section ul li a:hover {
    transform: translateX(0);
  }
  
  .footer-logo {
    gap: 8px;
    justify-content: center;
  }
  
  .footer-logo-image {
    height: 40px;
  }
  
  .footer-logo-text {
    font-size: 1.2rem;
  }
  
  /* 联系我们响应式 */
  .contact {
    padding: 80px 20px;
  }
  
  .contact-container h2 {
    font-size: 2.5rem;
  }
  
  .contact-container p {
    font-size: 1.1rem;
    margin-bottom: 60px;
  }
  
  .contact-item {
    flex-direction: column;
    padding: 40px 30px;
    gap: 25px;
    text-align: center;
  }
  
  .contact-icon svg {
    width: 40px;
    height: 40px;
  }
  
  .contact-details h3 {
    font-size: 1.3rem;
  }
  
  .contact-details p {
    font-size: 1rem;
  }
  
  .contact-link {
    padding: 12px 24px;
    font-size: 1rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .nav-actions {
    width: 100%;
    justify-content: center;
  }
  
  header {
    padding: 160px 20px 100px;
  }
  
  header h1 {
    font-size: 2.5rem;
  }
  
  .stats {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 20px;
  }
  
  .stat {
    flex: 1 1 calc(50% - 20px);
    min-width: 140px;
    padding: 25px 20px;
  }
  
  .stat-icon {
    font-size: 2rem;
  }
  
  .stat h3 {
    font-size: 1.5rem;
  }
  
  .stat p {
    font-size: 0.85rem;
  }
  
  .features-container {
    gap: 20px;
  }
  
  .feature-item {
    width: 100%;
    max-width: 320px;
  }
  
  .services-container h2 {
    font-size: 2.5rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-left h2 {
    font-size: 2.5rem;
  }
  
  .faq-container h2 {
    font-size: 2.5rem;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .advantage-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .advantage-visual {
    width: 300px;
    height: 300px;
  }
  
  .element-circle {
    width: 150px;
    height: 150px;
  }
  
  .element-ring {
    width: 250px;
    height: 250px;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .platforms-container h2 {
    font-size: 2.5rem;
  }
  
  .platforms-grid {
    grid-template-columns: 1fr;
  }
  
  .cases-container h2 {
    font-size: 2.5rem;
  }
  
  .cases-grid {
    grid-template-columns: 1fr;
  }
  
  .case-card {
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  header {
    padding: 140px 20px 80px;
  }
  
  header h1 {
    font-size: 2rem;
  }
  
  header p {
    font-size: 1.1rem;
  }
  
  .header-features {
    gap: 10px;
  }
  
  .feature-badge {
    font-size: 0.8rem;
    padding: 6px 16px;
  }
  
  .features-container {
    flex-direction: column;
    align-items: center;
  }
  
  .feature-item {
    width: 100%;
    max-width: 300px;
    padding: 30px 20px;
  }
  
  .feature-icon {
    font-size: 2.5rem;
  }
  
  .services-container h2 {
    font-size: 2rem;
  }
  
  .services-subtitle {
    font-size: 1.1rem;
  }
  
  .service-card {
    padding: 30px 20px;
  }
  
  .about-left h2 {
    font-size: 2rem;
  }
  
  .about-left p {
    font-size: 1rem;
  }
  
  .about-stats {
    flex-direction: column;
    gap: 20px;
  }
  
  .faq-container h2 {
    font-size: 2rem;
  }
  
  .faq-item {
    padding: 20px;
  }
  
  .contact-container h2 {
    font-size: 2rem;
  }
  
  .contact-item {
    padding: 20px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    padding: 50px 20px;
  }
  
  .footer-desc {
    font-size: 0.9rem;
  }
  
  .footer-section h4 {
    font-size: 1rem;
  }
  
  .footer-section ul li a {
    font-size: 0.9rem;
  }
  
  .footer-bottom-content p {
    font-size: 0.85rem;
  }
  
  .footer-disclaimer {
    font-size: 0.8rem !important;
  }
  
  .nav-cta {
    font-size: 0.8rem;
    padding: 8px 16px;
  }
  
  .logo-text {
    font-size: 1.5rem;
  }
  
  .stat {
    flex: 1 1 100%;
    min-width: 100%;
  }
  
  .platforms-container h2 {
    font-size: 2rem;
  }
  
  .platforms-subtitle {
    font-size: 1.1rem;
  }
  
  .platform-card {
    padding: 30px 20px;
  }
  
  .cases-container h2 {
    font-size: 2rem;
  }
  
  .cases-subtitle {
    font-size: 1.1rem;
  }
  
  .case-content {
    padding: 20px;
  }
  
  .case-image {
    height: 150px;
  }
  
  /* 隐私政策和服务条款响应式 */
  .privacy-container h2,
  .terms-container h2 {
    font-size: 2.5rem;
  }
  
  .privacy-content,
  .terms-content {
    padding: 40px 30px;
  }
  
  .privacy-content h3,
  .terms-content h3 {
    font-size: 1.2rem;
    margin: 30px 0 15px 0;
  }
  
  .privacy-content p,
  .terms-content p {
    font-size: 0.95rem;
  }
  
  .privacy-content ul,
  .terms-content ul {
    font-size: 0.95rem;
    margin: 15px 0 25px 15px;
    padding-left: 15px;
  }
  
  .privacy-content li,
  .terms-content li {
    margin-bottom: 8px;
    padding-left: 15px;
  }
}

@media (max-width: 480px) {
  /* 隐私政策和服务条款响应式 */
  .privacy-container h2,
  .terms-container h2 {
    font-size: 2rem;
  }
  
  .privacy-content,
  .terms-content {
    padding: 30px 20px;
  }
  
  .privacy-content h3,
  .terms-content h3 {
    font-size: 1.1rem;
    margin: 25px 0 12px 0;
    padding-left: 15px;
  }
  
  .privacy-content p,
  .terms-content p {
    font-size: 0.9rem;
  }
  
  .privacy-content ul,
  .terms-content ul {
    font-size: 0.9rem;
    margin: 12px 0 20px 12px;
    padding-left: 12px;
  }
  
  .privacy-content li,
  .terms-content li {
    margin-bottom: 6px;
    padding-left: 12px;
  }
}

/* 投放平台模块 */
.platforms {
  padding: 100px 20px;
  background: linear-gradient(135deg, #0b021c 0%, #1a053a 100%);
  position: relative;
  overflow: hidden;
}

.platforms::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(168, 85, 247, 0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.platforms-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.platforms-container h2 {
  font-size: 3rem;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
  letter-spacing: -0.5px;
  text-align: center;
}

.platforms-container h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.platforms-subtitle {
  font-size: 1.2rem;
  color: #d6b4ff;
  margin-bottom: 40px;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
  letter-spacing: 0.5px;
  padding: 0 20px;
}

.featured-platforms {
  margin-bottom: 80px;
}

.platforms-carousel {
  position: relative;
  margin: 0 auto;
  max-width: 1200px;
  overflow: hidden;
}

.carousel-container {
  position: relative;
  padding: 10px 0;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
  gap: 20px;
}

.carousel-item {
  flex: 0 0 calc(25% - 15px);
  min-width: 260px;
}

.platform-card.featured {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(99, 102, 241, 0.1));
  border: 1px solid rgba(168, 85, 247, 0.3);
  transform: translateY(0);
  transition: all 0.4s ease;
  padding: 35px 25px;
  text-align: center;
  border-radius: 24px;
}

.platform-card.featured:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 40px rgba(168, 85, 247, 0.4);
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(11, 2, 28, 0.8);
  border: 1px solid rgba(168, 85, 247, 0.3);
  color: #fff;
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.carousel-btn:hover {
  background: rgba(168, 85, 247, 0.2);
  border-color: #a855f7;
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
  left: -20px;
}

.carousel-btn.next {
  right: -20px;
}

.platforms-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(168, 85, 247, 0.2);
  color: #d6b4ff;
  padding: 10px 20px;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
}

.tab-btn:hover {
  background: rgba(168, 85, 247, 0.1);
  border-color: #a855f7;
  color: #fff;
  transform: translateY(-2px);
}

.tab-btn.active {
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-color: #a855f7;
  color: white;
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block;
}

.platform-card.interactive {
  position: relative;
  perspective: 1000px;
  height: 280px;
  cursor: pointer;
}

.platform-card.interactive .platform-front,
.platform-card.interactive .platform-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 20px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.platform-card.interactive .platform-front {
  transform: rotateY(0deg);
  z-index: 2;
}

.platform-card.interactive .platform-back {
  transform: rotateY(180deg);
  z-index: 1;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(99, 102, 241, 0.1));
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.platform-card.interactive:hover .platform-front {
  transform: rotateY(180deg);
}

.platform-card.interactive:hover .platform-back {
  transform: rotateY(0deg);
}

.platform-back h4 {
  margin: 0 0 15px 0;
  font-size: 1.1rem;
  color: #a855f7;
  font-weight: 600;
}

.platform-back ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
  width: 100%;
}

.platform-back li {
  color: #d6b4ff;
  margin-bottom: 8px;
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.4;
}

.platform-back li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #a855f7;
  font-weight: bold;
}

.platforms-stats {
  margin-top: 30px;
  padding-top: 0;
  border-top: none;
}

.stats-overlay {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(99, 102, 241, 0.1));
  border-radius: 20px;
  padding: 30px 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(168, 85, 247, 0.2);
}

.stat-overlay-item {
  text-align: center;
  flex: 1;
  min-width: 150px;
  transition: all 0.3s ease;
  padding: 20px 10px;
  border-radius: 12px;
}

.stat-overlay-item:hover {
  background: rgba(168, 85, 247, 0.1);
  transform: translateY(-5px);
}

.stat-overlay-number {
  font-size: 1.8rem;
  font-weight: 700;
  color: #c084fc;
  margin-bottom: 5px;
  display: block;
  animation: pulse 2s ease-in-out infinite;
}

.stat-overlay-label {
  color: #d6b4ff;
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.3;
}

/* 修复服务图标被紫色遮挡的问题 */
.service-icon {
  font-size: 2rem;
  background: linear-gradient(135deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 1;
}

.platforms-section {
  margin-bottom: 80px;
}

.platforms-section:last-child {
  margin-bottom: 0;
}

.platforms-section-title {
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 30px;
  text-align: center;
  position: relative;
  padding-bottom: 12px;
  font-weight: 600;
}

.platforms-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

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

.platform-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 40px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.platform-card h3 {
  font-size: 1.4rem;
  margin: 0 0 15px 0;
  color: #fff;
  font-weight: 600;
  transition: all 0.3s ease;
  text-align: center;
  background: linear-gradient(90deg, #ffffff, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  padding: 0 10px;
}

.platform-card p {
  color: #d6b4ff;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 20px 0;
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 15px;
  font-weight: 400;
}

.platform-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent, rgba(168, 85, 247, 0.1), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}

.platform-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 30px 60px rgba(168, 85, 247, 0.3);
  border-color: rgba(168, 85, 247, 0.5);
}

/* 差异化互动效果 */
#social .platform-card:hover {
  transform: translateY(-15px) rotate(1deg) scale(1.03);
  box-shadow: 0 25px 50px rgba(168, 85, 247, 0.4);
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.05), rgba(99, 102, 241, 0.05));
}

#search .platform-card:hover {
  transform: translateY(-12px) scale(1.05);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.4);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(168, 85, 247, 0.05));
}

#special .platform-card:hover {
  transform: translateY(-18px) rotate(-1deg) scale(1.02);
  box-shadow: 0 30px 60px rgba(236, 72, 153, 0.3);
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.05), rgba(168, 85, 247, 0.05));
}

#regional .platform-card:hover {
  transform: translateY(-10px) scale(1.04);
  box-shadow: 0 25px 50px rgba(59, 130, 246, 0.3);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(168, 85, 247, 0.05));
}

.platform-card:hover::before {
  opacity: 1;
  animation: shine 1.5s ease-out;
}

.platform-icon {
  margin: 0 auto 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
  width: 90px;
  height: 90px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.platform-logo {
  width: 55px;
  height: 55px;
  object-fit: contain;
  transition: all 0.4s ease;
}

.platform-icon:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.3);
  border-color: rgba(168, 85, 247, 0.5);
}

.platform-icon:hover .platform-logo {
  transform: scale(1.15);
}

.platform-card:hover .platform-icon {
  transform: scale(1.2) rotate(10deg);
}

.platform-card h3 {
  font-size: 1.4rem;
  margin: 0 0 15px 0;
  color: #fff;
  font-weight: 600;
  transition: all 0.3s ease;
  text-align: center;
}

.platform-card p {
  color: #d6b4ff;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 20px 0;
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 10px;
}

.platform-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.platform-features span {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(168, 85, 247, 0.2);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 20px;
  color: #c084fc;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.platform-card:hover .platform-features span {
  background: rgba(168, 85, 247, 0.3);
  border-color: rgba(168, 85, 247, 0.5);
  transform: translateY(-2px);
}

/* 平台统计信息样式 */
.platform-stats {
  display: flex;
  justify-content: center;
  gap: 15px;
  position: relative;
  z-index: 1;
  margin-top: 20px;
  flex-wrap: wrap;
}

.platform-stats .stat-item {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 25px;
  color: #d6b4ff;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s ease;
  text-align: center;
  min-width: 120px;
  backdrop-filter: blur(5px);
}

.platform-stats .stat-item:hover {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.3), rgba(99, 102, 241, 0.3));
  border-color: rgba(168, 85, 247, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(168, 85, 247, 0.3);
}

/* 成功案例模块 */
.cases {
  padding: 100px 20px;
  background: #0b021c;
  position: relative;
}

.cases::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.cases-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cases-container h2 {
  font-size: 2.8rem;
  margin-bottom: 30px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
  letter-spacing: -0.5px;
}

.cases-container h2::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.cases-subtitle {
  font-size: 1.3rem;
  color: #d6b4ff;
  margin-bottom: 80px;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  letter-spacing: 0.5px;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}

.case-card {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.case-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 30px 60px rgba(168, 85, 247, 0.3);
  border-color: rgba(168, 85, 247, 0.5);
}

.case-image {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.4s ease;
}

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

.case-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 2, 28, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.case-card:hover .case-overlay {
  background: rgba(11, 2, 28, 0.4);
}

.case-category {
  background: rgba(168, 85, 247, 0.8);
  color: white;
  padding: 8px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.case-content {
  padding: 30px;
  text-align: left;
}

.case-content h3 {
  font-size: 1.2rem;
  margin: 0 0 15px 0;
  color: #fff;
  font-weight: 600;
}

.case-content p {
  color: #d6b4ff;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 20px 0;
}

.case-metrics {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.case-metrics span {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(168, 85, 247, 0.2);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 20px;
  color: #c084fc;
  font-size: 0.8rem;
  font-weight: 500;
}

/* 隐私政策和服务条款模块 */
.privacy,
.terms {
  padding: 100px 20px;
  background: linear-gradient(135deg, #0b021c 0%, #1a053a 100%);
  position: relative;
  overflow: hidden;
}

.privacy::before,
.terms::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(168, 85, 247, 0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.privacy-container,
.terms-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.privacy-container h2,
.terms-container h2 {
  font-size: 2.8rem;
  margin-bottom: 30px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
  letter-spacing: -0.5px;
  text-align: center;
}

.privacy-container h2::after,
.terms-container h2::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.privacy-content,
.terms-content {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  padding: 60px;
  margin-top: 40px;
}

.privacy-content h3,
.terms-content h3 {
  font-size: 1.4rem;
  margin: 40px 0 20px 0;
  color: #a855f7;
  font-weight: 600;
  position: relative;
  padding-left: 20px;
}

.back-to-home {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 10;
}

.back-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 50%;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.back-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.3), transparent);
  transition: left 0.6s ease;
  z-index: 0;
}

.back-button:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: #a855f7;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px rgba(168, 85, 247, 0.4);
}

.back-button:hover::before {
  left: 100%;
}

.back-button svg {
  width: 24px;
  height: 24px;
  transition: all 0.3s ease;
  z-index: 1;
  position: relative;
}

.back-button:hover svg {
  transform: translateX(-3px) scale(1.1);
  stroke: #fff;
}

.privacy-container,
.terms-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.privacy-content h3::before,
.terms-content h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.privacy-content p,
.terms-content p {
  color: #d6b4ff;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.privacy-content ul,
.terms-content ul {
  color: #d6b4ff;
  font-size: 1rem;
  line-height: 1.7;
  margin: 20px 0 30px 20px;
  padding-left: 20px;
}

.privacy-content li,
.terms-content li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 20px;
}

.privacy-content li::before,
.terms-content li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #a855f7;
  font-weight: bold;
}

/* 关于我们模块 */
.about {
  padding: 100px 20px;
  background: linear-gradient(135deg, #0b021c 0%, #1a053a 100%);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="10" height="10" patternUnits="userSpaceOnUse"><circle cx="5" cy="5" r="1" fill="rgba(168, 85, 247, 0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  opacity: 0.5;
}

.about-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-left h2 {
  font-size: 2.8rem;
  margin-bottom: 30px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
  letter-spacing: -0.5px;
}

.about-left h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.about-left p {
  color: #d6b4ff;
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 25px;
  letter-spacing: 0.5px;
}

.about-advantages {
  margin-top: 40px;
}

.about-advantages h3 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  color: #fff;
  font-weight: 600;
  position: relative;
  padding-bottom: 10px;
}

.about-advantages h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.advantage-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 15px 20px;
  transition: all 0.3s ease;
}

.advantage-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(168, 85, 247, 0.2);
  border-color: rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.05);
}

.advantage-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(168, 85, 247, 0.2);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon {
  transform: scale(1.1) rotate(5deg);
  background: rgba(168, 85, 247, 0.3);
}

.advantage-item span {
  color: #d6b4ff;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.4;
}

.about-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-image {
  position: relative;
  width: 100%;
  max-width: 500px;
  height: auto;
  padding: 20px;
  background: transparent;
  border-radius: 24px;
  border: none;
  backdrop-filter: none;
  transition: none;
}

.about-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  transition: none;
}

/* 恢复动态圈圈效果 */
.about-right {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-right::before,
.about-right::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(168, 85, 247, 0.3);
  animation: float 8s ease-in-out infinite;
}

.about-right::before {
  width: 200px;
  height: 200px;
  top: 20px;
  left: 20px;
  animation-delay: 0s;
}

.about-right::after {
  width: 150px;
  height: 150px;
  bottom: 20px;
  right: 20px;
  animation-delay: 3s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(30px, -30px) rotate(5deg); }
  50% { transform: translate(0, 30px) rotate(0deg); }
  75% { transform: translate(-30px, -15px) rotate(-5deg); }
}

/* 常见问题模块 */
.faq {
  padding: 100px 20px;
  background: #0b021c;
  position: relative;
}

.faq::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.faq-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.faq-container h2 {
  font-size: 2.8rem;
  margin-bottom: 60px;
  text-align: center;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  position: relative;
  letter-spacing: -0.5px;
}

.faq-container h2::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border-radius: 2px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 30px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.faq-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.faq-item:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 50px rgba(168, 85, 247, 0.25);
  border-color: rgba(168, 85, 247, 0.5);
}

.faq-item:hover::before {
  transform: scaleX(1);
}

.faq-item:hover .faq-icon {
  transform: rotate(360deg);
  color: #a855f7;
}

.faq-icon {
  transition: all 0.6s ease;
}

.faq-question {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
}

.faq-icon {
  font-size: 1.2rem;
  margin-top: 5px;
  flex-shrink: 0;
}

.faq-question h3 {
  font-size: 1.1rem;
  margin: 0;
  color: #fff;
  font-weight: 600;
}

.faq-answer p {
  color: #d6b4ff;
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* 加载动画 */
@keyframes loading {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0b021c;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #a855f7, #6366f1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #9333ea, #4f46e5);
}

/* 登录弹窗样式 */
.login-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.login-modal.active {
  display: flex;
}

.login-modal-content {
  background: linear-gradient(135deg, rgba(11, 2, 28, 0.95), rgba(26, 5, 58, 0.95));
  backdrop-filter: blur(15px);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 20px;
  padding: 40px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 20px 40px rgba(168, 85, 247, 0.3);
  position: relative;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(168, 85, 247, 0.2);
}

.login-modal-header h3 {
  margin: 0;
  font-size: 1.5rem;
  color: #fff;
  font-weight: 600;
  background: linear-gradient(90deg, #ffffff, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-modal-close {
  background: none;
  border: none;
  color: #a8a2b8;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.login-modal-close:hover {
  color: #fff;
  background: rgba(168, 85, 247, 0.1);
  transform: rotate(90deg);
}

.login-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 5px;
}

.login-tab {
  flex: 1;
  padding: 12px;
  background: transparent;
  border: none;
  color: #a8a2b8;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
}

.login-tab.active {
  background: linear-gradient(90deg, #a855f7, #6366f1);
  color: white;
  box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.login-tab:hover:not(.active) {
  color: #fff;
  background: rgba(168, 85, 247, 0.1);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #d6b4ff;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 10px;
  color: #fff;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input::placeholder {
  color: #a8a2b8;
}

.form-group input:focus {
  outline: none;
  border-color: #a855f7;
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
  background: rgba(255, 255, 255, 0.08);
}

.login-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border: none;
  border-radius: 10px;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 10px;
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.3);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.login-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.login-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.4);
}

.login-submit:hover::before {
  left: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .login-modal-content {
    padding: 30px;
    width: 95%;
  }
  
  .login-modal-header h3 {
    font-size: 1.3rem;
  }
  
  .form-group input {
    padding: 10px 14px;
  }
  
  .login-submit {
    padding: 12px;
  }
}

/* 自定义提示弹窗样式 */
.custom-alert {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 3000;
}

.custom-alert.active {
  display: flex;
}

.custom-alert-content {
  background: linear-gradient(135deg, rgba(11, 2, 28, 0.95), rgba(26, 5, 58, 0.95));
  backdrop-filter: blur(15px);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: 20px;
  padding: 40px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 20px 40px rgba(168, 85, 247, 0.3);
  text-align: center;
  animation: modalFadeIn 0.3s ease;
}

.custom-alert-message {
  font-size: 1rem;
  color: #d6b4ff;
  line-height: 1.6;
  margin-bottom: 30px;
}

.custom-alert-close {
  padding: 12px 30px;
  background: linear-gradient(90deg, #a855f7, #6366f1);
  border: none;
  border-radius: 50px;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.3);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.custom-alert-close::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
  z-index: -1;
}

.custom-alert-close:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.4);
}

.custom-alert-close:hover::before {
  left: 100%;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .custom-alert-content {
    padding: 30px;
    width: 95%;
  }
  
  .custom-alert-message {
    font-size: 0.9rem;
  }
  
  .custom-alert-close {
    padding: 10px 24px;
  }
}