#pc {
        display: block;
        background-color: #f8f9fa;
        padding: 0.3rem 5%; 
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        line-height: 1.2; 
    border-bottom: 1px solid #e1e5e9;
    }
    
    #pc .navbarLeft,
    #pc .navbarRight {
        display: flex;
        align-items: center;
    }
    
    #pc .navbarLeft {
        float: left;
    }
    
    #pc .navbarRight {
        float: right;
    }
    
    #pc ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        gap: 1.5rem;
    }
    
    #pc li {
        display: inline-block;
    }
    #pc a {
        color: #2c3e50;
        text-decoration: none;
        font-size: 0.8rem;
        padding: 0; 
        position: relative;
        transition: all 0.3s ease;
    }
    
    #pc a:hover {
        color: #A71F1B;
    }
    
    #pc a::after {
        content: '';
        position: absolute;
        bottom: -0.2rem; 
        left: 0;
        width: 0;
        height: 2px;
        background: #A71F1B;
        transition: all 0.3s ease;
    }
    
    #pc a:hover::after {
        width: 100%;
    }
    
    #pc i {
        margin-right: 5px;
    }
    
    /* Hide on mobile */
    @media (max-width: 768px) {
        #pc {
            display: none;
        }
		#pc {
            display: none;
        }
    }

       header {
            background-color: var(--background);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            width: 90%; 
            max-width: 1200px; 
            margin: 0 auto; 
            padding: 0 20px; 
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.1rem 0;
        }

        .logo a {
            font-size: 1.8rem;
            font-weight: 300;
            color: var(--primary-dark);
            text-decoration: none;
            letter-spacing: -0.02em;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
    font-size: 0.95rem;
    text-transform: none;
    padding: 0.5rem 0.8rem 0.5rem 0.8rem;
    display: flex;
    align-items: center;
    min-height: 44px;
    border-radius: var(--radius);
}

.nav-menu a:hover {
    color: white;
    background-color: var(--primary);
    text-decoration: none;
    padding: 0.5rem 0.8rem 0.5rem 0.8rem;
}

/* 移除下划线效果 */
.nav-menu a::after {
    display: none; /* 完全隐藏下划线 */
}

        /* 下拉菜单样式 */
        .dropdown {
            position: relative;
        }

        .dropdown-content {
            display: none;
            position: absolute;
            background-color: var(--background);
            min-width: 220px;
            box-shadow: var(--shadow-hover);
            border-radius: var(--radius);
            z-index: 1;
            padding: 1rem 0;
            top: 100%;
            left: 0;
        }

        .dropdown:hover .dropdown-content {
            display: block;
        }

        .dropdown-content a {
            color: var(--text-dark);
            padding: 0.75rem 1.5rem;
            text-decoration: none;
            display: block;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .dropdown-content a:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            text-decoration: none;
        }        .header-actions {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .header-icon {
            color: var(--text-dark);
            text-decoration: none;
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
            position: relative;
        }

        .header-icon:hover {
            color: var(--primary);
        }


        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-dark);
            cursor: pointer;
            width: 24px;
            height: 24px;
            position: relative;
            z-index: 1001;
        }

        .mobile-toggle::before,
        .mobile-toggle::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 2px;
            background-color: currentColor;
            left: 0;
            transition: transform 0.3s ease;
        }

        .mobile-toggle::before {
            top: 6px;
        }

        .mobile-toggle::after {
            bottom: 6px;
        }

        .mobile-toggle span {
            position: absolute;
            width: 100%;
            height: 2px;
            background-color: currentColor;
            top: 50%;
            transform: translateY(-50%);
            transition: opacity 0.3s ease;
        }
#nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #FFFFFF;
    padding: 8px 0;
    font-size: 0.8rem;
    color: #666666;
    border-top: 1px solid #E6E6E6;
    margin-bottom: 5px;
    box-sizing: border-box;
    width: 90%; 
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

#nav .nav-left,
#nav .nav-right {
    display: flex;
    align-items: center;
}

#nav .nav-left {
    justify-content: flex-start;
}

#nav .nav-right {
    justify-content: flex-end;
}

#nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

#nav li {
    display: inline-block;
}

#nav a {
    color: #666666;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    padding: 6px 0;
    border-radius: 3px;
    position: relative;
    display: flex;
    align-items: center;
    min-height: 32px;
}

#nav a:hover {
    color: #999;
    background-color: transparent;
    text-decoration: none;
}

#nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #999;
    transition: all 0.3s ease;
}

#nav a:hover::after {
    width: 100%;
}

#nav i {
    margin-right: 5px;
}
.mobile-only {
    display: none;
}

/* 移动端菜单激活状态 */
.nav-menu.active {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--background);
    box-shadow: var(--shadow-hover);
    padding: 1rem 0;
}

/* 移动端汉堡菜单变换 */
.mobile-toggle.active::before {
    transform: rotate(45deg);
    top: 11px;
}

.mobile-toggle.active::after {
    transform: rotate(-45deg);
    bottom: 11px;
}

.mobile-toggle.active span {
    opacity: 0;
}

/* 移动端适配 */
@media (max-width: 768px) {
    #nav {
        flex-direction: column;
        gap: 10px;
        padding: 12px 0;
        width: 90%;
        max-width: 1200px;
    }
    
    #nav .nav-left,
    #nav .nav-right {
        width: 100%;
        justify-content: flex-start;
    }
    #nav .nav-right {
        display: none; 
    }
    
    #nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: flex-start;
    }
	    .mobile-only {
        display: block;
    }
    
    /* 确保移动端菜单正常显示 */
    .nav-menu {
        flex-direction: column;
    }
    
    /* 移动端菜单激活状态样式 */
    .nav-menu.active {
        display: flex;
    }

    .nav-menu {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .mobile-only {
        display: block;
    }
}