/* 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: #f8f8f8;
}

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

a {
    text-decoration: none;
    color: #b25900;
    transition: color 0.3s ease;
}

a:hover {
    color: #ff8c00;
}

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    background-color: #b25900;
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #ff8c00;
    color: #fff;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    color: #b25900;
    margin-bottom: 15px;
    text-align: center;
}

nav ul {
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    font-weight: bold;
    padding: 5px 10px;
    border-radius: 4px;
}

nav ul li a:hover {
    background-color: #f0f0f0;
}

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

/* 英雄区域样式 */
.hero {
    text-align: center;
    padding: 60px 20px;
    background-color: #fff;
    border-radius: 8px;
    margin-bottom: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.hero h2 {
    font-size: 2.5rem;
    color: #b25900;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 功能区域样式 */
.features {
    padding: 40px 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    font-size: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: #b25900;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: #666;
    margin-bottom: 20px;
}

.feature-card a {
    font-weight: bold;
    display: inline-block;
    margin-top: 10px;
}

/* 优势区域样式 */
.advantages {
    background-color: #fff;
    padding: 60px 20px;
    border-radius: 8px;
    margin-top: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.advantages h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    font-size: 2rem;
}

.advantage-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 20px;
}

.advantage-item h3 {
    color: #b25900;
    margin-bottom: 15px;
}

.advantage-item p {
    color: #666;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: #ff8c00;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p {
    margin-bottom: 10px;
    color: #ccc;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
}

.footer-section ul li a:hover {
    color: #ff8c00;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #888;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    nav ul {
        flex-wrap: wrap;
    }
    
    nav ul li {
        margin: 5px;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .feature-grid, .advantage-list {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* 登录页面样式 */
.login-container {
    max-width: 400px;
    margin: 80px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.login-container h2 {
    text-align: center;
    color: #b25900;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-group input:focus {
    border-color: #b25900;
    outline: none;
    box-shadow: 0 0 5px rgba(178, 89, 0, 0.3);
}

.form-footer {
    text-align: center;
    margin-top: 30px;
}

.form-footer .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

.form-footer p {
    margin-top: 20px;
    color: #666;
}

/* 管理页面通用样式 */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid #444;
    margin-bottom: 20px;
}

.sidebar-header h2 {
    color: #ff8c00;
    font-size: 1.5rem;
}

.sidebar-menu {
    padding: 0 10px;
}

.sidebar-menu h3 {
    color: #ccc;
    font-size: 0.9rem;
    text-transform: uppercase;
    margin: 20px 10px 10px;
}

.sidebar-menu ul li {
    margin-bottom: 5px;
}

.sidebar-menu ul li a {
    color: #fff;
    padding: 10px;
    display: block;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.sidebar-menu ul li a:hover, .sidebar-menu ul li a.active {
    background-color: #444;
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 20px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.page-header h1 {
    color: #333;
    font-size: 1.8rem;
}

.page-actions {
    display: flex;
    gap: 10px;
}

.card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.card-header h2 {
    color: #333;
    font-size: 1.5rem;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

table th {
    background-color: #f8f8f8;
    font-weight: bold;
    color: #333;
}

table tr:hover {
    background-color: #f5f5f5;
}

.status {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.status-active {
    background-color: #e6f7e6;
    color: #2e7d32;
}

.status-inactive {
    background-color: #ffebee;
    color: #c62828;
}

.status-pending {
    background-color: #fff8e1;
    color: #ff8f00;
}

.action-buttons {
    display: flex;
    gap: 10px;
}

.btn-small {
    padding: 5px 10px;
    font-size: 0.8rem;
}

.btn-edit {
    background-color: #4caf50;
}

.btn-delete {
    background-color: #f44336;
}

.btn-view {
    background-color: #2196f3;
}

/* 表单样式 */
.form-card {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 30px;
}

.btn-cancel {
    background-color: #9e9e9e;
}

/* 响应式管理页面 */
@media (max-width: 992px) {
    .sidebar {
        width: 200px;
    }
    
    .main-content {
        margin-left: 200px;
    }
}

@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}