/* 全局重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 导航栏 */
.navbar {
    background: linear-gradient(135deg, #2c5530 0%, #4a7c59 100%);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
}

.nav-brand i {
    font-size: 28px;
    color: #81c784;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.nav-user {
    background: rgba(255,255,255,0.1);
    border-radius: 25px;
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-user:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #2c5530, #4a7c59);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" patternUnits="userSpaceOnUse" width="100" height="100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
}

.header-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-text {
    flex: 1;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.page-title i {
    color: #81c784;
    text-shadow: 0 0 20px rgba(129, 199, 132, 0.3);
}

.page-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    margin-bottom: 40px;
    font-weight: 300;
}

/* 统计数据行 */
.stats-row {
    display: flex;
    gap: 60px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    position: relative;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #81c784;
    text-shadow: 0 0 20px rgba(129, 199, 132, 0.3);
    display: inline-block;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: #81c784;
    text-shadow: 0 0 20px rgba(129, 199, 132, 0.3);
    display: inline-block;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
    margin-top: 8px;
    font-weight: 300;
}

/* 视觉元素 */
.header-visual {
    flex: 0 0 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(129, 199, 132, 0.2), rgba(76, 175, 80, 0.3));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(129, 199, 132, 0.3);
    animation: pulse 3s ease-in-out infinite;
}

.visual-circle i {
    font-size: 4rem;
    color: #81c784;
    text-shadow: 0 0 30px rgba(129, 199, 132, 0.5);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 主要内容区 */
.main-content {
    padding: 60px 0;
    min-height: calc(100vh - 140px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .page-title {
        font-size: 2.2rem;
        justify-content: center;
    }
    
    .stats-row {
        justify-content: center;
        gap: 40px;
        flex-wrap: wrap;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}