@charset "UTF-8";
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
}

/* 顶部导航栏 - 专业深色系 */
.top-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 12px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid #0f3460;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
}

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

.logo i {
    margin-right: 10px;
    color: #4cc9f0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-menu a {
    color: #e2e2e2;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    border-radius: 4px;
}

.nav-menu a:hover, .nav-menu a.active {
    background-color: #0f3460;
    color: #4cc9f0;
}

.telegram-link {
    background: linear-gradient(135deg, #0088cc 0%, #006699 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: 1px solid #0077b5;
}

.telegram-link:hover {
    background: linear-gradient(135deg, #0077b5 0%, #005580 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 119, 181, 0.3);
}

/* 页脚样式 - 专业风格 */
footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 10px 0 20px;
    border-top: 2px solid #0f3460;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-section {
    margin-bottom: 20px;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 16px;
    position: relative;
    padding-bottom: 10px;
    color: white;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #4cc9f0;
}

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

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

.footer-section ul li a {
    color: #b0b7c3;
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

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

.footer-section p {
    color: #b0b7c3;
    line-height: 1.6;
    font-size: 14px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #2a2a40;
    margin-top: 30px;
    color: #8a94a6;
    font-size: 13px;
}

.copyright a {
    color: #b0b7c3;
    text-decoration: none;
}

.copyright a:hover {
    color: white;
    text-decoration: underline;
}


@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        flex-direction: column;
        align-items: center;
        padding: 20px;
        transition: left 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        width: 100%;
        text-align: center;
        justify-content: center;
        padding: 1px;
    }
    
    .logo span {
        font-size: 20px;
    }
    
}



@media (max-width: 360px) {
    .logo span {
        font-size: 18px;
    }
    
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #28a745 0%, #218838 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 10000;
    transition: all 0.3s;
    font-weight: 500;
    font-size: 14px;
}


/* 移动端优化 */
@media (max-width: 768px) {
    .notification {
        left: 20px;
        right: 20px;
        text-align: center;
    }
}