/* 复制原始 style.css 的内容 */
/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    height: 80px;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 10px;
}

.logo img {
    height: 65px;
    width: auto;
}

.logo span {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-dark);
}

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

.main-nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: var(--primary-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

.main-nav a:hover::after {
    width: 100%;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: white;
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }

    .main-nav a {
        display: block;
        padding: 10px;
        text-align: center;
        border-radius: 5px;
    }

    .main-nav a:hover {
        background: var(--primary-light);
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* 汉堡菜单动画 */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}

@media (max-width: 768px) {
    .header {
        height: 70px;
    }

    .logo img {
        height: 50px;
    }

    .main-nav {
        top: 70px;
    }
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

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

.footer-section ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li i {
    margin-right: 10px;
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.beian {
    display: flex;
    gap: 20px;
}

.beian a {
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
}

.beian a:hover {
    color: var(--primary-color);
}

.beian img {
    height: 16px;
    margin-right: 5px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .beian {
        flex-direction: column;
        gap: 10px;
    }
}

/* ... 其余 style.css 内容 ... */