/* 小男孩生活记录网站 - 可爱风格样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4a90e2;
    --primary-light: #e6f0ff;
    --primary-dark: #2d7dd2;
    --secondary-pink: #ff6b9d;
    --secondary-yellow: #ffc107;
    --secondary-green: #28a745;
    --text-dark: #333;
    --text-gray: #666;
    --text-light: #999;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-hover: 0 6px 20px rgba(0,0,0,0.15);
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #e6f0ff 0%, #fff0f5 50%, #fff3e0 100%);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
}

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

/* 头部 */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
}

.logo-icon {
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    gap: 25px;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s;
}

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

/* 主要内容 */
.main {
    padding: 40px 0;
}

/* 卡片 */
.card {
    background: var(--white);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 3px solid transparent;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: var(--primary-light);
}

/* 页面标题 */
.page-title {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 40px;
    position: relative;
}

.page-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-pink));
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-pink) 0%, #ff4d8a 100%);
    color: white;
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.4);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* 表单 */
.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

/* 底部 */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
}

/* 装饰元素 */
.decoration {
    position: fixed;
    font-size: 3rem;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

/* 响应式 */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .page-title {
        font-size: 2rem;
    }
}