:root {
  --primary-cyan: #a5f3fc;
  --accent-purple: #a855f7;
  --neon-blue: #00f0ff;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  position: relative;
  /* 使用 dvh (Dynamic Viewport Height) 确保在工具栏弹出时高度依然正确 */
  min-height: 100dvh; 
  background: #05070F;
  color: #e2e8f0;
  font-family: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  
  display: flex;
  justify-content: center;
  align-items: center;

  /* 核心逻辑：安全区域 + 你的自定义间距 (如 2rem) */
  padding-top: calc(env(safe-area-inset-top) + 2rem);
  padding-bottom: calc(env(safe-area-inset-bottom) + 2rem);
  padding-left: 1rem;
  padding-right: 1rem;

  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Three.js Canvas 背景 */
#bg {
  position: fixed;
  inset: 0; /* 优化：top/left/right/bottom 的简写 */
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  /* 保持你的优化项 */
  transform-origin: top left;
  will-change: transform;
  object-fit: cover;
}

/* Web3 能量场光效叠加 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 15% 15%, rgba(168, 85, 247, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(0, 240, 255, 0.1) 0%, transparent 40%);
  z-index: -1;
  pointer-events: none;
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 580px;
  text-align: center;
  /* 移除这里的 padding，交给 body 统一处理 */
}

.avatar {
  width: 118px;
  height: 118px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-cyan);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
  margin-bottom: 0.8rem;
  /* 优化：明确过渡属性，提升动画性能 */
  transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
              border-color 0.4s ease, 
              box-shadow 0.4s ease;
  background: var(--glass-bg);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
}

.avatar:hover {
  transform: scale(1.08) rotate(5deg);
  border-color: var(--accent-purple);
  box-shadow: 0 0 40px rgba(168, 85, 247, 0.5);
}

.name {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.8rem;
  color: #ffffff;
  background: linear-gradient(to right, #ffffff, var(--primary-cyan));
  -webkit-background-clip: text;
  background-clip: text; /* 补充标准属性 */
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
}

.bio {
  font-size: 1rem;
  color: #94a3b8;
  margin-bottom: 0.5rem;
  line-height: 1.6;
  padding: 0 1rem;
  letter-spacing: 1px;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.link-btn {
  display: block;
  padding: 1.1rem 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: #ffffff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  /* 优化：只针对需要的属性进行过渡，减少计算开销 */
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
  letter-spacing: 1px;
  position: relative; /* 为 hover 效果做准备 */
}

.link-btn:hover {
  border-color: var(--neon-blue);
  background: rgba(0, 240, 255, 0.05);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 240, 255, 0.15);
}

.link-btn:active {
  transform: scale(0.97) translateY(0);
  background: rgba(255, 255, 255, 0.1);
  transition: all 0.1s;
}

.link-btn.special {
  background: rgba(168, 85, 247, 0.05);
  border: 1px solid var(--accent-purple);
  color: var(--primary-cyan);
  font-weight: 700;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

/* 特殊按钮扫光动画优化：使用硬件加速 */
.link-btn.special {
  background: rgba(168, 85, 247, 0.05);
  border: 1px solid var(--accent-purple);
  color: var(--primary-cyan);
  font-weight: 700;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  /* 确保文字在扫光层之上 */
  z-index: 1; 
}

/* 扫光特效：修复后的版本 */
.link-btn.special::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg, 
    transparent, 
    rgba(165, 243, 252, 0.2), 
    transparent
  );
  /* 使用 skewX 代替 rotate 更加稳定，且不会干扰布局 */
  transform: skewX(-25deg);
  /* 确保特效在背景之上，文字之下 */
  z-index: -1;
  animation: shine 4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* 修复后的动画帧：只操作平移，不操作旋转，避免属性冲突 */
@keyframes shine {
  0% { left: -120%; }
  30%, 100% { left: 150%; }
}

.link-btn.special:hover {
  border-color: #ffffff;
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.3);
  background: rgba(168, 85, 247, 0.1);
}

.social-icons {
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: center;
  gap: 1.8rem;
}

.email-icon {
  width: 44px;
  height: 44px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1.2), filter 0.4s ease;
  filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4));
}

.email-icon:hover {
  transform: scale(1.2) rotate(-8deg);
  filter: drop-shadow(0 0 15px var(--accent-purple));
}

.footer {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: #475569;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* 使用 600px 作为分水岭 */
@media (max-width: 600px) {
  .name { font-size: 1.4rem; }
  .bio { font-size: 0.9rem; }

  body {
    /* 1. 确保内容始终从顶部开始有 3rem 的呼吸感 */
    /* 2. 同时累加刘海屏的安全区域 */
    padding-top: calc(env(safe-area-inset-top) + 4rem);
    padding-bottom: calc(env(safe-area-inset-bottom) + 4rem);
    
    /* 3. 重要：防止内容垂直居中时在短屏幕上“吃掉”顶部间距 */
    align-items: flex-start; 
  }

  .container {
    /* 4. 在 flex-start 模式下，利用 margin auto 实现有空间时依然视觉居中 */
    margin: auto 0;
  }
}