/* 导航栏优化样式 */

/* 修复下拉菜单显示问题 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: white;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.dropdown-content a {
    color: var(--dark-text);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s ease;
}

.dropdown-content a:hover {
    background-color: var(--light-bg);
}

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

/* 移动端菜单优化 */
@media screen and (max-width: 768px) {
    .main-nav ul {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }
    
    .main-nav.active ul {
        display: flex;
    }
    
    .main-nav ul li {
        margin: 0;
        width: 100%;
    }
    
    .main-nav ul li a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .dropdown-content {
        position: static;
        box-shadow: none;
        background-color: #f8f9fa;
    }
}

/* 导航按钮样式优化 */
.dropbtn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: inherit;
    color: inherit;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.dropbtn:hover {
    background-color: var(--light-bg);
}



/* 表单优化 */
.smart-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    flex: 1;
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* 响应式表单 */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
    
    .contact-form-container {
        flex-direction: column;
    }
}

/* 卡片样式优化 */
.type-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    background: white;
}

.type-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #153e8a;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

/* 页脚优化 */
.footer {
    background-color: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

.footer a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: white;
}

.copyright {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #334155;
    text-align: center;
    color: #94a3b8;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .container {
        width: 95%;
    }
    
    .header .container {
        padding: 1rem 15px;
    }
    
    .main-nav ul {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-section {
        text-align: center;
    }
}