/* 2025ai 全局样式 */
:root {
    --primary-color: #0a5d2c;
    --primary-green: #0a5d2c;
    --secondary-color: #0d7a36;
    --accent-color: #00a0e9;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --bg-dark: #0a0e14;
    --bg-dark-card: rgba(255, 255, 255, 0.06);
    --white: #fff;
    --transition-normal: all 0.3s ease;
    --radius-md: 8px;
    --radius-lg: 16px;
    --text-white: #fff;
    --text-white-80: rgba(255, 255, 255, 0.8);
    --text-white-60: rgba(255, 255, 255, 0.6);
    --font-cn: 'Microsoft YaHei', sans-serif;
}

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

body {
    font-family: 'Inter', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.glass-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 动画 */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.6s ease forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-white {
    border: 2px solid var(--white);
    color: var(--white);
    background: transparent;
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* 页面加载动画 */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 响应式 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}