/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #e7f5ff; /* 浅蓝色背景 */
}

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

a {
    color: #339af0; /* 浅蓝色链接 */
    text-decoration: none;
}

a:hover {
    color: #228be6; /* 浅蓝色链接悬停 */
    text-decoration: underline;
}

/* 头部样式 */
header, header.bg-primary {
    background-color: #ffffff !important; /* 白色头部背景 */
    color: #333;
    padding: 30px 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.2rem;
    font-style: italic;
    color: #ccc;
}

/* 导航样式 */
nav.navbar.navbar-dark.bg-primary {
    background-color: #4dabf7 !important; /* 浅蓝色导航栏背景 */
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

/* 导航栏品牌样式 */
.navbar-dark .navbar-brand {
    color: #228be6 !important; /* 蓝色品牌文本，适合白色背景 */
    font-weight: bold;
}

nav.navbar ul.navbar-nav {
    list-style: none;
    display: flex;
    justify-content: center;
}

nav.navbar li.nav-item {
    margin: 0 5px;
}

nav.navbar .nav-link {
    color: #333 !important; /* 深灰色文本，适合白色背景 */
    font-weight: bold;
    padding: 8px 16px !important;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav.navbar .nav-link:hover, 
nav.navbar .nav-link.active {
    background-color: #339af0 !important; /* 浅蓝色导航栏悬停/活动状态 */
    text-decoration: none;
    color: #fff !important;
}

/* Bootstrap导航栏活动链接样式 */
.navbar.navbar-dark.bg-primary .navbar-nav .nav-item .nav-link:hover,
.navbar.navbar-dark.bg-primary .navbar-nav .nav-item .nav-link:focus,
.navbar.navbar-dark.bg-primary .navbar-nav .nav-item .nav-link.active,
.navbar.navbar-dark.bg-primary .navbar-nav .nav-item.show .nav-link {
    background-color: #f1f3f5 !important; /* 浅灰色背景，适合白色导航栏 */
    color: #228be6 !important; /* 保持蓝色文本以保持品牌一致性 */
    text-decoration: none !important;
    border-radius: 4px !important;
    padding: 8px 16px !important;
    margin: 0 2px !important;
    transition: all 0.3s ease !important;
}

/* 确保下拉菜单项的悬停效果 */
.navbar.navbar-dark.bg-primary .navbar-nav .dropdown-menu .dropdown-item:hover,
.navbar.navbar-dark.bg-primary .navbar-nav .dropdown-menu .dropdown-item:focus,
.navbar.navbar-dark.bg-primary .navbar-nav .dropdown-menu .dropdown-item.active {
    background-color: #f1f3f5 !important; /* 浅灰色背景 */
    color: #228be6 !important; /* 蓝色文本 */
}

/* 主要内容区域 */
main {
    padding: 30px 0;
}

section {
    margin-bottom: 40px;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #ddd;
    color: #333;
}

.intro {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

/* 故事卡片样式 */
.story-card {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 20px;
    margin-bottom: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.story-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.story-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.story-meta {
    color: #777;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.story-meta span {
    margin-right: 15px;
}

.story-excerpt {
    margin-bottom: 15px;
    line-height: 1.7;
}

.read-more {
    display: inline-block;
    color: #0066cc;
    font-weight: bold;
}

/* 故事详情页样式 */
.story-content {
    background-color: #fff;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    line-height: 1.8;
}

.story-header {
    margin-bottom: 30px;
}

.story-header h2 {
    font-size: 2rem;
    border-bottom: none;
    margin-bottom: 10px;
}

.story-body p {
    margin-bottom: 20px;
}

.back-link {
    display: inline-block;
    margin-top: 20px;
    background-color: #4dabf7; /* 浅蓝色背景 */
    color: #fff;
    padding: 8px 15px;
    border-radius: 3px;
    transition: background-color 0.3s;
}

.back-link:hover {
    background-color: #339af0; /* 浅蓝色悬停背景 */
    text-decoration: none;
}

/* 页脚样式 */
footer, footer.bg-primary {
    background-color: #4dabf7; /* 浅蓝色页脚背景，与头部一致 */
    color: #fff;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

footer p {
    margin-bottom: 10px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn, .btn-primary {
    display: inline-block;
    background-color: #4dabf7 !important; /* 浅蓝色按钮背景 */
    color: #fff !important;
    padding: 10px 20px;
    border: none !important;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: background-color 0.3s;
}

.btn:hover, .btn-primary:hover {
    background-color: #339af0 !important; /* 浅蓝色按钮悬停背景 */
    text-decoration: none;
    color: #fff !important;
}

.btn-secondary {
    background-color: #777;
    margin-left: 10px;
}

.btn-secondary:hover {
    background-color: #666;
}

.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    border-left: 4px solid #c62828;
}

.success-message {
    background-color: #e8f5e9;
    color: #2e7d32;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    border-left: 4px solid #2e7d32;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav li {
        margin: 5px 0;
    }
}