:root {
  --pink: #ff6f9f;
  --pink-soft: #ffd6e4;
  --green: #c9d681;
  --cream: #ffeef5;
  --text: #ff6f9f;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* 确保你的目录下有 cursor.png 文件 */
  cursor: url("cursor.png") 12 12, auto;
}

body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: radial-gradient(
    circle at 30% 40%,
    #ffd6e4 0%,
    #ffeef5 42%,
    #fff5f9 100%
  );
  font-family: "Didot", serif;
  color: var(--text);
}

/* 背景层：液态球 */
.blur-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  filter: blur(60px);
  pointer-events: none;
}

/* 星星画布 */
#starCanvas {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

/* 顶部导航 */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 40px;
  z-index: 100;
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: bold;
  font-style: italic;
  pointer-events: auto;
  color: var(--text);
}

/* 菜单按钮 */
.menu-trigger {
  pointer-events: auto;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 16px;
  color: var(--text);
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: 0.3s;
}

.menu-trigger:hover {
  opacity: 0.6;
}

/* 全屏菜单 */
.full-menu {
  position: fixed;
  inset: 0;
  background: rgba(255, 238, 245, 0.96);
  z-index: 150;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 40px;
  transform: translateY(-100%);
  transition: transform 0.6s cubic-bezier(0.85, 0, 0.15, 1);
  backdrop-filter: blur(20px);
}

.full-menu.active {
  transform: translateY(0);
}

.full-menu a {
  text-decoration: none;
  color: var(--text);
  font-size: clamp(40px, 8vw, 80px);
  font-weight: bold;
  transition: 0.3s;
}

.full-menu a:hover {
  color: var(--green);
  transform: translateY(-4px);
}

/* 主视觉区域 */
.hero-container {
  position: relative;
  z-index: 10;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
}

/* 中间大图 */
.hero-image-center {
  position: absolute;
  width: min(75vw, 950px);
  height: min(85vh, 1050px);
  background: url("hero-image.jpg") center/cover no-repeat;
  opacity: 0.42;
  z-index: 2;
  border-radius: 60% 40% 70% 30% / 30% 60% 40% 70%;
  animation: morphing 25s infinite alternate ease-in-out;
  pointer-events: none;
}

.hero-image-center::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 182, 208, 0.15);
  border-radius: inherit;
}

@keyframes morphing {
  0% { border-radius: 60% 40% 70% 30% / 30% 60% 40% 70%; transform: scale(1) rotate(0deg); }
  50% { border-radius: 40% 60% 30% 70% / 60% 30% 70% 40%; transform: scale(1.03) rotate(2deg); }
  100% { border-radius: 70% 30% 50% 50% / 30% 70% 40% 60%; transform: scale(0.95) rotate(-2deg); }
}

/* 大标题样式 */
.big-title {
  position: relative;
  z-index: 5;
  font-size: clamp(80px, 15vw, 240px);
  text-align: center;
  line-height: 0.8;
  pointer-events: auto;
  color: var(--text);
}

/* 单个字母交互核心样式 */
.big-title span {
  display: inline-block; 
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.3s;
  cursor: pointer;
  padding: 0 2px;
}

.big-title span:hover {
  transform: translateY(-40px) scale(1.3) rotate(8deg);
  color: var(--green);
}