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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏样式 */
.sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.logo i {
    font-size: 2rem;
    color: #667eea;
    margin-right: 10px;
}

.logo h2 {
    color: #333;
    font-size: 1.2rem;
    font-weight: 600;
}

.search-box {
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: #667eea;
}

.search-box i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
}

/* 菜单样式 */
.sidebar-menu {
    padding: 20px 0;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.menu-section {
    margin-bottom: 30px;
}

.menu-section h3 {
    padding: 0 20px 10px;
    color: #666;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu-section ul {
    list-style: none;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #555;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    border-left-color: #667eea;
}

.menu-item.active {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    border-left-color: #667eea;
    font-weight: 600;
}

.menu-item i {
    margin-right: 12px;
    width: 16px;
    text-align: center;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #667eea;
    cursor: pointer;
    padding: 8px;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.sidebar-toggle:hover {
    background: rgba(102, 126, 234, 0.1);
}

.breadcrumb {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

.content-body {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

#pageContent {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    min-height: 500px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .main-content {
        width: 100%;
    }
}

/* 滚动条样式 */
.sidebar-menu::-webkit-scrollbar {
    width: 6px;
}

.sidebar-menu::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.sidebar-menu::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.sidebar-menu::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 页面内容样式 */
.page-title {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
}

.feature-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #667eea;
}

.feature-card h3 {
    color: #667eea;
    margin-bottom: 10px;
}

.code-block {
    background: #2d3748;
    color: #e2e8f0;
    padding: 15px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    margin: 10px 0;
    overflow-x: auto;
}

.btn {
    background: #667eea;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #5a67d8;
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
}

.alert-info {
    background: #e6f3ff;
    border-left: 4px solid #3182ce;
    color: #2c5282;
}

.alert-warning {
    background: #fffbeb;
    border-left: 4px solid #f6ad55;
    color: #c05621;
}

.step-list {
    counter-reset: step-counter;
}

.step-list li {
    counter-increment: step-counter;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: #667eea;
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

/* 快速导航样式 */
.quick-nav-section {
    margin-bottom: 25px;
}

.quick-nav-section h4 {
    color: #667eea;
    font-size: 1.1rem;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid #e0e0e0;
    font-weight: 600;
}

.quick-nav-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 10px;
}

.quick-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 3px 12px rgba(102, 126, 234, 0.3);
    min-height: 65px;
    justify-content: center;
}

.quick-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.quick-nav-btn:active {
    transform: translateY(-1px);
}

.quick-nav-btn i {
    font-size: 1.3rem;
    margin-bottom: 6px;
    opacity: 0.9;
}

.quick-nav-btn span {
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    line-height: 1.2;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .quick-nav-buttons {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 8px;
    }

    .quick-nav-btn {
        padding: 10px 6px;
        min-height: 60px;
    }

    .quick-nav-btn i {
        font-size: 1.2rem;
        margin-bottom: 5px;
    }

    .quick-nav-btn span {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .quick-nav-buttons {
        grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
        gap: 6px;
    }

    .quick-nav-btn {
        padding: 8px 4px;
        min-height: 55px;
    }

    .quick-nav-btn i {
        font-size: 1.1rem;
        margin-bottom: 4px;
    }

    .quick-nav-btn span {
        font-size: 0.7rem;
    }
}

/* 返回首页按钮样式 */
.back-to-home {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 3px 12px rgba(102, 126, 234, 0.3);
    margin-bottom: 20px;
}

.back-to-home:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    color: white;
    text-decoration: none;
}

.back-to-home i {
    margin-right: 8px;
    font-size: 1rem;
}

.back-to-home:active {
    transform: translateY(-1px);
}