/* 基础样式和变量 */
:root {
    --primary-color: #0A2463;
    --secondary-color: #D4AF37;
    --accent-color: #3E92CC;
    --light-color: #F8F9FA;
    --dark-color: #212529;
    --transition: all 0.3s ease;
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.12);
    --border-radius: 10px;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--light-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--primary-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--light-color);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}