/* 全局样式 */
:root {
    --primary-green: #28a745;
    --secondary-green: #20c997;
    --dark-green: #155724;
    --light-green: #d4edda;
    --accent-orange: #fd7e14;
    --warm-yellow: #ffc107;
    --earth-brown: #8b4513;
    --sky-blue: #17a2b8;
}

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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

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

.navbar-nav .nav-link {
    font-weight: 500;
    color: #333 !important;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-green) !important;
}

/* 首页轮播图样式 */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-bg {
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

/* .hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.8), rgba(32, 201, 151, 0.6));
    z-index: 1;
} */

.hero-bg-1 {
    background-image: url('../images/hero-bg-1.svg');
}

.hero-bg-2 {
    background-image: url('../images/hero-bg-2.svg');
}

.hero-bg-3 {
    background-image: url('../images/hero-bg-3.svg');
}

.carousel-inner {
    position: relative;
    z-index: 2;
}

.carousel-item {
    transition: transform 0.8s ease-in-out;
}

.carousel-control-prev,
.carousel-control-next {
    width: 5%;
    z-index: 3;
}

.carousel-indicators {
    z-index: 3;
}

/* 按钮样式 */
.btn {
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: none;
}

.btn-success {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
    background: linear-gradient(135deg, var(--dark-green), var(--primary-green));
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-green);
    transform: translateY(-2px);
}

/* 卡片样式 */
.card {
    border-radius: 15px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.hover-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.card-img-top {
    max-width: 100% ;
    transition: transform 0.3s ease;
}

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

/* 特色图标样式 */
.feature-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
    transition: all 0.3s ease;
}

.feature-icon-sm {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
}

.hover-card:hover .feature-icon {
    transform: rotate(360deg);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

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

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--warm-yellow), var(--accent-orange));
    border-radius: 2px;
}

/* 背景样式 */
.bg-light {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef) !important;
}

.bg-success {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green)) !important;
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, #2c3e50, #34495e) !important;
}

.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-green) !important;
    transform: translateY(-2px);
}

.contact-info i {
    color: var(--secondary-green);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-bg {
        background-attachment: scroll;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.8rem;
    }
    
    .display-6 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 10%;
    }
}

@media (max-width: 576px) {
    .hero-bg {
        min-height: 80vh;
    }
    
    .display-4 {
        font-size: 1.8rem;
    }
    
    .lead {
        font-size: 1rem;
    }
    
    .btn {
        padding: 8px 20px;
        font-size: 0.8rem;
        margin-bottom: 10px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .stat-item h2 {
        font-size: 2rem;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out;
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--dark-green), var(--primary-green));
}

/* 加载动画 */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* 徽章样式 */
.badge {
    font-size: 0.75rem;
    padding: 0.5em 0.75em;
    border-radius: 50px;
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green)) !important;
}

/* 表单样式 */
.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
}

/* 分隔线样式 */
hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-green), transparent);
    margin: 2rem 0;
}

/* 文本样式 */
.text-success {
    color: var(--primary-green) !important;
}

.text-muted {
    color: #6c757d !important;
}

/* 链接样式 */
a {
    color: var(--primary-green);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--dark-green);
    text-decoration: underline;
}

/* 图片样式 */
img {
    /* max-width: 100%; */
    max-width: 200px; /* 设置图片最大宽度为200px */
    height: auto;
    border-radius: 10px;
}

/* 阴影效果 */
.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.shadow {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

/* 边框圆角 */
.rounded {
    border-radius: 0.375rem !important;
}

.rounded-circle {
    border-radius: 50% !important;
}

/* 间距调整 */
.py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}

.my-4 {
    margin-top: 1.5rem !important;
    margin-bottom: 1.5rem !important;
}

.mb-5 {
    margin-bottom: 3rem !important;
}

/* 字体权重 */
.fw-bold {
    font-weight: 700 !important;
}

.fw-normal {
    font-weight: 400 !important;
}

/* 文本对齐 */
.text-center {
    text-align: center !important;
}

.text-start {
    text-align: left !important;
}

.text-end {
    text-align: right !important;
}

/* 显示/隐藏 */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

/* Flexbox 对齐 */
.align-items-center {
    align-items: center !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

/* 位置 */
.position-relative {
    position: relative !important;
}

.position-absolute {
    position: absolute !important;
}

/* 溢出 */
.overflow-hidden {
    overflow: hidden !important;
}

/* 透明度 */
.opacity-75 {
    opacity: 0.75 !important;
}

.opacity-50 {
    opacity: 0.5 !important;
}