/* 全局样式 */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

/* 导航栏样式 */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-image {
    animation: float 3s ease-in-out infinite;
}



@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 特色功能卡片 */
.feature-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

/* 统计数据样式 */
.stat-item {
    padding: 20px;
}

.stat-item h3 {
    margin-bottom: 10px;
}

/* 客户评价卡片 */
.testimonial-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-3px);
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 产品卡片样式 */
.product-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.product-image {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    height: 200px;
    overflow: hidden;
}

.product-image img {
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

/* 图片优化样式 */
.img-fluid {
    max-width: 100%;
    height: auto;
}

.object-fit-cover {
    object-fit: cover;
}

/* 场景图片样式 */
.scene-image {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.scene-image:hover {
    transform: translateY(-5px);
}

/* 公司图片样式 */
.company-image {
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* 响应式图片 */
@media (max-width: 768px) {
    .product-image {
        height: 150px;
    }
}

/* 下载卡片样式 */
.download-card .card {
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.download-card .card:hover {
    transform: translateY(-3px);
}

/* 系统要求卡片 */
.requirement-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.requirement-icon {
    margin-bottom: 20px;
}

/* 安装步骤样式 */
.step-card {
    padding: 20px;
}

.step-number .badge {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
}

/* 联系表单样式 */
.contact-form-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.contact-info-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    height: 100%;
}

.contact-item {
    padding: 15px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    text-align: center;
}

/* 地图容器样式 */
.map-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.map-placeholder {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* FAQ样式 */
.accordion-item {
    border-radius: 10px !important;
    margin-bottom: 10px;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

.accordion-button {
    border-radius: 10px !important;
    font-weight: 500;
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-color);
    color: white;
}

/* 按钮样式增强 */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
}

.btn-outline-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.2);
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    margin-top: 76px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        min-height: 45vh;
        text-align: center;
    }
    
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .page-header {
        margin-top: 66px;
    }
    
    .contact-form-card,
    .contact-info-card {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
}

/* 客户logo区域样式 */
.clients-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.client-logo-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 5px !important;
}

.client-logo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.logo-placeholder {
    transition: transform 0.3s ease;
    width: 200px !important;
    height: 200px !important;
}

.client-logo-card:hover .logo-placeholder {
    transform: scale(1.1);
}

.client-logo-img {
    transition: transform 0.3s ease;
    border-radius: 8px;
    width: 200px !important;
    height: 200px !important;
}

.client-logo-card:hover .client-logo-img {
    transform: scale(1.1);
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* 表单样式增强 */
.form-control,
.form-select {
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* 徽章样式 */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

/* 模态框样式 */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 15px 15px 0 0;
}

.modal-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 0 0 15px 15px;
}