/* Reset & Basic Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #ffffff; /* 改为白色背景 */
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #333333;
    overflow-x: hidden;
}

/* Hero Section Styles */
.hero-section {
    position: relative;
    padding: 20px 0; /* 减少 padding，让文字更靠上 */
    text-align: center;
    background: transparent;
    overflow: hidden;
}

/* 装饰性背景元素 - 已移除 */
.hero-section::before {
    display: none;
}

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

.hero-title {
    font-size: 1.5rem; /* 字号再小一倍 (3rem -> 1.5rem) */
    font-weight: 800;
    /* 渐变蓝色文字效果 - 改为青紫渐变 */
    background: linear-gradient(45deg, #17a2b8, #9b42f5); 
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
    padding: 0 5px;
}

/* 简单的呼吸动画 */
@keyframes pulse {
    0% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
    100% { opacity: 0.8; transform: scale(1); }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .ai-superscript {
        font-size: 1rem;
    }
}