/* 全局样式 */
:root {
    --primary-color: #4CAF50; /* 植物绿色 */
    --secondary-color: #9C27B0; /* 花卉紫色 */
    --success-color: #66BB6A; /* 嫩绿色 */
    --info-color: #42A5F5; /* 天空蓝色 */
    --warning-color: #FFA726; /* 橙黄色 */
    --danger-color: #EF5350; /* 红色 */
    --light-color: #F1F8E9; /* 淡绿色背景 */
    --dark-color: #2E7D32; /* 深绿色 */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    position: relative;
    min-height: 100vh;
}

/* 导航栏样式 */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 600;
    color: #495057;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
}

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%); /* 绿色渐变 */
    margin-top: 76px;
    position: relative;
}

.min-vh-75 {
    min-height: 75vh;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* 按钮样式 */
.btn {
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background: #3a56c4;
    border-color: #3a56c4;
    transform: translateY(-2px);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* 特性图标样式 */
.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.card {
    border-radius: 1rem;
    transition: all 0.3s ease;
    border: none;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card:hover .feature-icon {
    transform: scale(1.1);
}

/* 产品卡片样式 */
.product-card {
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
}

.product-card img {
    height: 200px;
    object-fit: cover;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
}

/* 新闻卡片样式 */
.news-card {
    transition: all 0.3s ease;
    height: 100%;
}

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

.news-img {
    height: 200px;
    object-fit: cover;
}

/* 页脚样式 */
/* 修复body样式 */
body {
    position: relative;
    min-height: 100vh;  /* 确保body有足够高度 */
    /* 移除了overflow-x: hidden */
}

/* 增强页脚样式 */
footer {
    position: relative;
    z-index: 10;  /* 提高层级避免被遮挡 */
    background: linear-gradient(135deg, #2E7D32 0%, #388E3C 100%); /* 深绿色渐变 */
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
    margin-top: 76px;
}

footer h5,
footer h6 {
    color: white;
    margin-bottom: 1rem;
}

footer a {
    color: white !important;
    transition: color 0.3s ease;
}

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

.social-links a {
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
}

/* 表单验证样式 */
.invalid-feedback {
    display: block;
    font-size: 0.875rem;
    color: var(--danger-color);
}

.is-invalid {
    border-color: var(--danger-color) !important;
}

.is-invalid:focus {
    box-shadow: 0 0 0 0.2rem rgba(231, 74, 59, 0.25);
}

/* 客户评价样式 */
.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--light-color);

/* 性能优化样式 */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    opacity: 1;
}




    display: flex;
    align-items: center;
    justify-content: center;
}

.rating {
    font-size: 1.2rem;
}

.team-card img {
    transition: transform 0.3s ease;
}

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

/* 加载动画 */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* 价格卡片样式 */
.pricing-card {
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-price {
    font-size: 2rem;
    font-weight: bold;
}

/* 测试imonial卡片样式 */
.testimonial-card {
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    font-weight: bold;
    font-size: 1.2rem;
}

/* 联系卡片样式 */
.contact-card {
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 社交联系样式 */
.social-contact-links a {
    transition: all 0.3s ease;
}

.social-contact-links a:hover {
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .min-vh-75 {
        min-height: 60vh;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-date {
        width: fit-content;
        margin-left: 30px;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 工具类 */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.rounded {
    border-radius: 0.5rem;
}

/* 交互效果增强样式 */
/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.show {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* 移动端菜单动画 */
.navbar-toggler {
    transition: all 0.3s ease;
}

.navbar-toggler.active {
    transform: rotate(90deg);
}

.navbar-collapse {
    transition: all 0.3s ease;
}

/* 页面过渡效果 */
.page-entering {
    animation: pageEnter 0.3s ease-out;
}

.page-leaving {
    animation: pageLeave 0.3s ease-in;
}

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

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

/* 加载状态样式 */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner-border-sm {
    margin-right: 0.5rem;
}

/* 增强悬停效果 */
.card, .product-card, .news-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn, .nav-link {
    transition: all 0.2s ease;
}

/* 表单聚焦效果增强 */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.3rem rgba(76, 175, 80, 0.25);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 焦点可见性增强 */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 减少运动偏好 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .back-to-top {
        transition: none;
    }
}