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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    overflow-y: scroll;
}

.container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部导航栏 */
.header {
    background: linear-gradient(135deg, #171B36 0%, #211E19 100%);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 50px;
}

.logo img {
    height: 60px;
    width: auto;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 25px;
    transition: all 0.3s ease;
    display: block;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(135deg, #171B36 0%, #211E19 100%);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 10px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-link {
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    display: block;
    transition: all 0.3s ease;
    border-radius: 10px;
    margin: 5px;
}

.dropdown-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

/* 主要内容区域 */
.main-content {
    width: 100%;
}



/* 图片区域 */
.hero-section, .content-section {
    width: 100%;
    overflow: hidden;
}

.hero-image, .content-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* 按钮区域 */
.button-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #211E19 0%, #171B36 100%);
    text-align: center;
}

.btn {
    padding: 15px 40px;
    margin: 0 15px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: none;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    line-height: 1.4;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #171B36 0%, #2a2f5a 100%);
    color: white;
    border: 2px solid #4a5a8a;
}

.btn-secondary {
    background: linear-gradient(135deg, #211E19 0%, #3a2f2f 100%);
    color: white;
    border: 2px solid #5a4a4a;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2a2f5a 0%, #171B36 100%);
    border-color: #6a7a9a;
    transform: translateY(-2px);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #3a2f2f 0%, #211E19 100%);
    border-color: #7a6a6a;
    transform: translateY(-2px);
}

.btn:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

/* 底部信息 */
.footer {
    background: linear-gradient(135deg, #171B36 0%, #211E19 100%);
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.company-info p {
    font-size: 14px;
    margin-bottom: 5px;
}

.icp-info p {
    font-size: 12px;
    color: #bdc3c7;
    margin-bottom: 3px;
}

.icp-info a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-info a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* 隐私条款页面样式 */
.privacy-content {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: calc(100vh - 200px);
}

.privacy-header {
    text-align: center;
    margin-bottom: 50px;
}

.last-updated {
    color: #6c757d;
    font-size: 16px;
    font-style: italic;
}

.privacy-body {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.privacy-section {
    margin-bottom: 40px;
}

.privacy-section:last-child {
    margin-bottom: 0;
}

.privacy-section h2 {
    color: #171B36;
    font-size: 24px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4a5a8a;
    font-weight: 600;
}

.privacy-section p {
    color: #495057;
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 16px;
}

.privacy-section ul {
    margin: 15px 0;
    padding-left: 25px;
}

.privacy-section li {
    color: #495057;
    line-height: 1.8;
    margin-bottom: 10px;
    font-size: 16px;
}

.contact-info {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid #4a5a8a;
}

.contact-info p {
    margin-bottom: 10px;
    font-size: 16px;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.contact-info strong {
    color: #171B36;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-list {
        gap: 15px;
    }
    
    .nav-link {
        font-size: 14px;
        padding: 8px 12px;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: 10px;
        box-shadow: none;
        border: none;
        background: rgba(255, 255, 255, 0.05);
    }
    
    .container {
        padding: 0 15px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .btn {
        margin: 10px;
        padding: 12px 30px;
        font-size: 14px;
    }
    
    .privacy-content {
        padding: 40px 0;
    }
    
    .privacy-header h1 {
        font-size: 28px;
    }
    
    .privacy-body {
        padding: 25px;
        margin: 0 15px;
    }
    
    .privacy-section h2 {
        font-size: 20px;
    }
    
    .contact-info {
        padding: 20px;
    }
}