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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Arial', sans-serif;
  background: 
    /* 深色科技渐变背景 */
    radial-gradient(ellipse at 20% 30%, rgba(138, 43, 226, 0.15) 0%, transparent 45%),
    radial-gradient(ellipse at 80% 70%, rgba(75, 0, 130, 0.12) 0%, transparent 45%),
    /* 主渐变背景 - 更深的紫蓝色调 */
    linear-gradient(135deg, #0f0623 0%, #1a0d3e 25%, #0d1854 60%, #0a1142 100%);
  color: white;
  min-height: 100vh;
  padding: 0;
  margin: 0;
  position: relative;
  overflow-x: hidden;
}

/* 添加深色科技线条装饰 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background-image: 
    /* 深色背景下的紫色光晕 */
    radial-gradient(ellipse at 15% 25%, rgba(147, 51, 234, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 75%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    /* 微妙的电路线条 */
    linear-gradient(135deg, transparent 65%, rgba(147, 51, 234, 0.06) 67%, rgba(147, 51, 234, 0.06) 69%, transparent 71%),
    linear-gradient(-135deg, transparent 65%, rgba(59, 130, 246, 0.05) 67%, rgba(59, 130, 246, 0.05) 69%, transparent 71%);
  background-size: 
    500px 400px,
    500px 400px,
    1000px 1000px,
    1000px 1000px;
  background-position: 
    -150px -100px,
    calc(100% + 150px) calc(100% + 100px),
    -300px -300px,
    calc(100% + 300px) calc(100% + 300px);
  background-repeat: no-repeat;
  opacity: 0.5;
  animation: circuit-glow 6s ease-in-out infinite alternate;
}

/* 添加深色科技背景装饰 */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background-image: 
    /* 六边形蜂窝网格 - 经典科技感 */
    radial-gradient(circle at 50% 50%, transparent 8px, rgba(0, 255, 255, 0.1) 9px, rgba(0, 255, 255, 0.1) 10px, transparent 11px),
    radial-gradient(circle at 25% 25%, transparent 6px, rgba(147, 51, 234, 0.15) 7px, rgba(147, 51, 234, 0.15) 8px, transparent 9px),
    radial-gradient(circle at 75% 75%, transparent 7px, rgba(59, 130, 246, 0.12) 8px, rgba(59, 130, 246, 0.12) 9px, transparent 10px),
    
    /* 数据节点和连接 */
    radial-gradient(circle at 15% 30%, rgba(0, 255, 255, 0.8) 2px, rgba(0, 255, 255, 0.3) 3px, transparent 8px),
    radial-gradient(circle at 85% 70%, rgba(147, 51, 234, 0.7) 1.5px, rgba(147, 51, 234, 0.2) 2.5px, transparent 6px),
    radial-gradient(circle at 30% 80%, rgba(59, 130, 246, 0.6) 2px, rgba(59, 130, 246, 0.2) 3px, transparent 7px),
    radial-gradient(circle at 70% 20%, rgba(168, 85, 247, 0.5) 1.5px, rgba(168, 85, 247, 0.15) 2.5px, transparent 5px),
    
    /* 能量脉冲圈 */
    radial-gradient(circle at 45% 15%, transparent 30px, rgba(0, 255, 255, 0.2) 31px, rgba(0, 255, 255, 0.2) 33px, transparent 34px),
    radial-gradient(circle at 20% 60%, transparent 25px, rgba(147, 51, 234, 0.15) 26px, rgba(147, 51, 234, 0.15) 28px, transparent 29px),
    radial-gradient(circle at 80% 40%, transparent 35px, rgba(59, 130, 246, 0.1) 36px, rgba(59, 130, 246, 0.1) 38px, transparent 39px);
    
  background-size: 
    80px 80px,
    60px 60px,
    70px 70px,
    400px 400px,
    450px 450px,
    500px 500px,
    380px 380px,
    300px 300px,
    250px 250px,
    350px 350px;
    
  background-position: 
    0px 0px,
    40px 40px,
    20px 60px,
    0% 0%,
    100% 100%,
    0% 100%,
    100% 0%,
    45% 15%,
    20% 60%,
    80% 40%;
    
  background-repeat: 
    repeat,
    repeat,
    repeat,
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat;
    
  opacity: 0.7;
  animation: tech-pulse 8s ease-in-out infinite alternate;
}

@keyframes tech-pulse {
  0% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    opacity: 0.6;
  }
}

/* 添加动画电路流动效果 */
body {
  position: relative;
}

body:before {
  animation: circuit-glow 4s ease-in-out infinite alternate;
}

@keyframes circuit-glow {
  0% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.7;
  }
  100% {
    opacity: 0.5;
  }
}

/* 添加科技HUD界面元素 */
.page-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  pointer-events: none;
  background-image: 
    /* HUD扫描圈 */
    conic-gradient(from 0deg at 25% 25%, transparent 0deg, rgba(0, 255, 255, 0.3) 45deg, transparent 90deg, rgba(147, 51, 234, 0.2) 180deg, transparent 225deg, rgba(59, 130, 246, 0.25) 315deg, transparent 360deg),
    conic-gradient(from 180deg at 75% 75%, transparent 0deg, rgba(168, 85, 247, 0.2) 60deg, transparent 120deg, rgba(0, 255, 255, 0.15) 240deg, transparent 300deg),
    
    /* 雷达扫描网格 */
    radial-gradient(circle at 50% 50%, transparent 50px, rgba(0, 255, 255, 0.1) 51px, transparent 52px, transparent 100px, rgba(147, 51, 234, 0.08) 101px, transparent 102px, transparent 150px, rgba(59, 130, 246, 0.06) 151px, transparent 152px),
    
    /* 科技角标 */
    linear-gradient(135deg, rgba(0, 255, 255, 0.4) 0%, transparent 30%),
    linear-gradient(45deg, rgba(147, 51, 234, 0.3) 0%, transparent 25%),
    linear-gradient(-135deg, rgba(59, 130, 246, 0.35) 0%, transparent 28%),
    linear-gradient(-45deg, rgba(168, 85, 247, 0.25) 0%, transparent 22%);
    
  background-size: 
    300px 300px,
    250px 250px,
    400px 400px,
    80px 80px,
    70px 70px,
    75px 75px,
    65px 65px;
    
  background-position: 
    25% 25%,
    75% 75%,
    50% 50%,
    0% 0%,
    100% 0%,
    0% 100%,
    100% 100%;
    
  background-repeat: no-repeat;
  animation: hud-rotate 12s linear infinite;
  z-index: -1;
}

@keyframes hud-rotate {
  0% {
    transform: rotate(0deg) scale(1);
    opacity: 0.4;
  }
  50% {
    transform: rotate(180deg) scale(1.05);
    opacity: 0.7;
  }
  100% {
    transform: rotate(360deg) scale(1);
    opacity: 0.4;
  }
}

@keyframes pulse-rings {
  0%, 100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.6;
  }
}

/* 添加全息投影效果 */
.page-container::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background-image: 
    /* 全息数据流 */
    repeating-linear-gradient(
      90deg,
      transparent 0px,
      rgba(0, 255, 255, 0.03) 2px,
      transparent 4px,
      transparent 20px,
      rgba(0, 255, 255, 0.06) 22px,
      transparent 24px,
      transparent 40px
    ),
    repeating-linear-gradient(
      45deg,
      transparent 0px,
      rgba(147, 51, 234, 0.02) 1px,
      transparent 2px,
      transparent 15px,
      rgba(147, 51, 234, 0.04) 16px,
      transparent 17px,
      transparent 30px
    ),
    
    /* 全息网格 */
    linear-gradient(0deg, rgba(59, 130, 246, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 85, 247, 0.02) 1px, transparent 1px),
    
    /* 能量粒子 */
    radial-gradient(circle at 20% 20%, rgba(0, 255, 255, 0.4) 1px, transparent 3px),
    radial-gradient(circle at 80% 30%, rgba(147, 51, 234, 0.3) 0.8px, transparent 2.5px),
    radial-gradient(circle at 30% 80%, rgba(59, 130, 246, 0.35) 1.2px, transparent 3.5px),
    radial-gradient(circle at 70% 70%, rgba(168, 85, 247, 0.25) 0.6px, transparent 2px),
    radial-gradient(circle at 50% 10%, rgba(0, 255, 255, 0.2) 0.5px, transparent 1.5px),
    radial-gradient(circle at 10% 50%, rgba(147, 51, 234, 0.15) 0.4px, transparent 1.2px);
    
  background-size: 
    50px 50px,
    35px 35px,
    30px 30px,
    25px 25px,
    300px 300px,
    250px 250px,
    280px 280px,
    200px 200px,
    180px 180px,
    160px 160px;
    
  background-position: 
    0px 0px,
    15px 15px,
    0px 0px,
    0px 0px,
    20% 20%,
    80% 30%,
    30% 80%,
    70% 70%,
    50% 10%,
    10% 50%;
    
  background-repeat: 
    repeat,
    repeat,
    repeat,
    repeat,
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat,
    no-repeat;
    
  animation: hologram-float 10s ease-in-out infinite;
  z-index: -1;
}

@keyframes hologram-float {
  0%, 100% {
    transform: translateY(0px) translateX(0px);
    opacity: 0.6;
  }
  25% {
    transform: translateY(-3px) translateX(2px);
    opacity: 0.8;
  }
  50% {
    transform: translateY(-1px) translateX(-1px);
    opacity: 0.7;
  }
  75% {
    transform: translateY(-4px) translateX(3px);
    opacity: 0.9;
  }
}


/* 添加数字代码雨效果 */
body:after {
  content: '01001010001110101010010101110110010101000111011101010010101011101100101010001110111010100101010111011001010100011101110101001010101110110010101000111011101010010101011101100101010001110111';
  position: fixed;
  top: -50px;
  left: 0;
  right: 0;
  bottom: 0;
  color: rgba(0, 255, 127, 0.1);
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 20px;
  letter-spacing: 2px;
  word-spacing: 10px;
  white-space: pre-wrap;
  overflow: hidden;
  pointer-events: none;
  animation: matrix-rain 15s linear infinite;
  z-index: -2;
  word-break: break-all;
}

@keyframes matrix-rain {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.1;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0;
  }
}

/* 添加能量波纹效果 */
.nb-cube {
  position: relative;
}

.nb-cube::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border: 2px solid rgba(168, 85, 247, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: energy-pulse 3s ease-out infinite;
  pointer-events: none;
}

.nb-cube::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: energy-pulse 3s ease-out infinite 1.5s;
  pointer-events: none;
}

@keyframes energy-pulse {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}

.page-container {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  padding: 25px 30px 20px;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* 内容区域限制宽度 */
.page-container > * {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

/* Header Section */
.header-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 25px;
  text-align: center;
}

.nb-cube {
  width: 180px;
  height: auto;
  display: block;
}

.nb-title {
  font-size: 68px;
  font-weight: 700;
  letter-spacing: 8px;
  margin: 0;
  line-height: 1;
  color: #f8e7ff;
  white-space: nowrap;
}

/* Hero Section */
.hero-section {
  margin-bottom: 20px;
  text-align: center;
}

.hero-text {
  font-size: 58px;
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: 1px;
  margin: 0;
  color: #f8e7ff;
}

/* Features Section */
.features-section {
  margin-bottom: 18px;
  text-align: center;
}

.feature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 26px;
  font-weight: 400;
}

.check-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

/* Tags Section */
.tags-section {
  margin-bottom: 25px;
}

.tag-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 16px;
}

.tag-row:last-child {
  margin-bottom: 0;
}

.tag {
  padding: 16px 28px;
  border: 2px solid #3d6ec9;
  border-radius: 45px;
  font-size: 20px;
  font-weight: 600;
  text-align: center;
  background: transparent;
  color: #ffffff;
  transition: all 0.3s ease;
  cursor: pointer;
}

.tag:hover {
  transform: translateY(-2px);
  border-color: #5a7fd4;
  box-shadow: 0 4px 20px rgba(61, 110, 201, 0.5);
  background: rgba(61, 110, 201, 0.1);
}

/* CTA Section */
.cta-section {
  margin-bottom: 25px;
}

.claim-button {
  width: 100%;
  padding: 28px;
  background: linear-gradient(135deg, #c855f7 0%, #d946ef 100%);
  border: none;
  border-radius: 35px;
  color: #fff3cd;
  font-size: 52px;
  font-weight: 700;
  letter-spacing: 4px;
  cursor: pointer;
  margin-bottom: 15px;
  box-shadow: 0 0 60px rgba(200, 85, 247, 0.85);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  animation: button-pulse 2s ease-in-out infinite;
}

.claim-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;
}

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

.claim-button:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 120px rgba(200, 85, 247, 1);
  background: linear-gradient(135deg, #d946ef 0%, #e758ff 100%);
}

.claim-button:active {
  transform: translateY(0px) scale(0.98);
  box-shadow: 0 4px 80px rgba(200, 85, 247, 0.9);
}

@keyframes button-pulse {
  0%, 100% {
    box-shadow: 0 0 60px rgba(200, 85, 247, 0.85);
  }
  50% {
    box-shadow: 0 0 100px rgba(200, 85, 247, 1);
  }
}

.terms {
  text-align: center;
  font-size: 18px;
  font-weight: 400;
  margin: 0;
  opacity: 0.95;
}

/* Footer Section */
.footer-section {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
}

.nb-cube-small {
  width: 70px;
  height: auto;
  display: block;
}

.footer-title {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 6px;
  line-height: 1;
  color: #f8e7ff;
}

/* 特定适配 863x932 窗口大小 */
@media (min-width: 769px) and (max-width: 900px) and (max-height: 950px) {
  .page-container {
    padding: 20px 25px 15px;
    min-height: 100vh;
    max-height: 100vh;
    justify-content: space-evenly;
    max-width: 100%;
  }
  
  .page-container > * {
    max-width: 800px;
  }

  .header-section {
    margin-bottom: 20px;
    gap: 12px;
  }

  .nb-title {
    font-size: 58px;
    letter-spacing: 6px;
    white-space: nowrap;
  }

  .nb-cube {
    width: 160px;
  }

  .nb-title {
    font-size: 58px;
    letter-spacing: 6px;
  }

  .hero-section {
    margin-bottom: 15px;
  }

  .hero-text {
    font-size: 48px;
    line-height: 0.9;
  }

  .features-section {
    margin-bottom: 15px;
  }

  .feature {
    font-size: 22px;
    gap: 10px;
    margin-bottom: 6px;
  }

  .check-icon {
    width: 22px;
    height: 22px;
  }

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

  .tag {
    padding: 14px 24px;
    font-size: 18px;
    border-width: 2px;
  }

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

  .claim-button {
    padding: 24px;
    font-size: 45px;
    letter-spacing: 3px;
  }

  .terms {
    font-size: 16px;
  }

  .footer-section {
    margin-top: 15px;
    gap: 18px;
  }

  .nb-cube-small {
    width: 60px;
  }

  .footer-title {
    font-size: 36px;
    letter-spacing: 5px;
  }
}

/* Responsive */
@media (max-width: 768px) {
  /* 移动设备上的背景装饰调整 */
  body::before {
    background-size: 
      200px 150px,
      200px 150px,
      400px 400px,
      400px 400px;
    background-position: 
      -50px -25px,
      calc(100% + 50px) calc(100% + 25px),
      -100px -100px,
      calc(100% + 100px) calc(100% + 100px);
    opacity: 0.3;
  }
  
  body::after {
    background-size: 
      60px 60px,
      400px 400px,
      300px 300px,
      250px 250px;
    opacity: 0.4;
  }
  
  /* 移动设备上的科技效果调整 */
  .page-container::before {
    background-size: 
      200px 200px,
      150px 150px,
      300px 300px,
      50px 50px,
      45px 45px,
      48px 48px,
      42px 42px;
    animation-duration: 15s;
  }
  
  .page-container::after {
    background-size: 
      35px 35px,
      25px 25px,
      20px 20px,
      18px 18px,
      200px 200px,
      180px 180px,
      200px 200px,
      150px 150px,
      130px 130px,
      120px 120px;
  }
  
  /* 移动设备上的数字雨效果调整 */
  body:after {
    font-size: 8px;
    line-height: 15px;
    letter-spacing: 1px;
  }
  
  /* 移动设备上的能量波纹调整 */
  .nb-cube::before,
  .nb-cube::after {
    animation-duration: 4s;
  }

  .page-container {
    padding: 15px 15px 10px;
    min-height: 100vh;
    max-width: 100%;
  }
  
  .page-container > * {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }

  .header-section {
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
    justify-content: center;
  }

  .nb-cube {
    width: 120px;
  }

  .nb-title {
    font-size: 28px;
    letter-spacing: 3px;
    white-space: nowrap;
  }

  .hero-section {
    margin-bottom: 12px;
  }

  .hero-text {
    font-size: 32px;
    letter-spacing: 1px;
  }

  .features-section {
    margin-bottom: 12px;
  }

  .feature {
    font-size: 16px;
    gap: 8px;
    margin-bottom: 6px;
    justify-content: center;
  }

  .check-icon {
    width: 18px;
    height: 18px;
  }

  .tags-section {
    margin-bottom: 15px;
  }

  .tag-row {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 10px;
  }

  .tag {
    padding: 12px 20px;
    font-size: 14px;
    border-width: 2px;
    border-radius: 30px;
  }

  .cta-section {
    margin-bottom: 15px;
  }

  .claim-button {
    padding: 18px;
    font-size: 28px;
    letter-spacing: 2px;
    border-radius: 25px;
    animation: button-pulse 2.5s ease-in-out infinite;
  }

  .terms {
    font-size: 12px;
  }

  .footer-section {
    gap: 12px;
    margin-top: 15px;
  }

  .nb-cube-small {
    width: 45px;
  }

  .footer-title {
    font-size: 24px;
    letter-spacing: 3px;
  }
}