body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #333333;
    background-color: #F5F0E8;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* 导航栏样式 - 深色背景让 Logo 更清晰 */
.bg-hancui {
    background-color: #FFFFFF !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.bg-hancui-dark {
    background-color: #111111 !important;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    color: #1B5E20 !important;
}

.navbar-brand img {
    height: 80px;
    width: auto;
    mix-blend-mode: normal;
}

.nav-link {
    font-weight: 500;
    color: rgba(27, 94, 32, 0.85) !important;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #D4A574 !important;
}

/* 白底导航栏的汉堡菜单图标 */
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(27, 94, 32, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-toggler {
    border-color: rgba(27, 94, 32, 0.3) !important;
}

/* 主内容区 - 为固定导航栏留出空间 */
main {
    margin-top: 100px;
}

/* 每个 section 整屏显示 */
.hero-section,
.service-section,
.advantage-section,
.cta-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0;
}

/* 按钮样式 */
.btn-hancui {
    background-color: #2E7D32;
    border-color: #2E7D32;
    color: white;
}

.btn-hancui:hover {
    background-color: #1B5E20;
    border-color: #1B5E20;
    color: white;
}

/* 微信悬浮按钮 */
.wechat-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #07C160;
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1000;
    transition: transform 0.3s, box-shadow 0.3s;
}

.wechat-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

/* 微信二维码占位 */
.wechat-qrcode-placeholder {
    width: 200px;
    height: 200px;
    background-color: #f0f0f0;
    border: 2px dashed #ccc;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

/* 首页 Hero 区域 - 暖米色背景 */
.hero-section {
    background: linear-gradient(135deg, #F8F5F0 0%, #EDE8E0 100%);
    color: #333333;
}

.hero-section h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #2E7D32;
}

.hero-section p {
    font-size: 1.2rem;
    opacity: 0.9;
    color: #555555;
}

/* 服务流程区域 - 纯白背景 */
.service-section {
    background-color: #FFFFFF;
}

/* 服务流程卡片 */
.service-card {
    border: 1px solid #E8E0D0;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
    height: 100%;
    background-color: #FFFFFF;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    border-color: #2E7D32;
}

.service-card .card-body {
    padding: 30px;
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: #E8F5E9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

/* 核心优势区域 - 浅米色背景 */
.advantage-section {
    background-color: #d4d2d2;
}
/* 核心优势区域卡片 */
.advantage-section .bg-white {
    border: 1px solid #E0E0E0;
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    height: 100%;
}

.advantage-section .bg-white:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    border-color: #2E7D32;
}

/* 优势卡片标题 */
.advantage-section h4 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .advantage-section .bg-white {
        margin-bottom: 20px;
    }
}

/* CTA 区域 - 深绿色背景 */
.cta-section {
    background: linear-gradient(135deg, #1B5E20 0%, #0D3B0F 100%);
    color: white;
}

.cta-section h2 {
    font-weight: bold;
}

/* 页脚链接 */
footer a {
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #D4A574 !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 1.8rem;
    }
    
    .wechat-float {
        bottom: 20px;
        right: 20px;
        padding: 10px 15px;
    }
    
    .wechat-float span {
        display: none;
    }
    
    .hero-section,
    .service-section,
    .advantage-section,
    .cta-section {
        min-height: auto;
        padding: 60px 0;
    }

    /* 小屏幕语言切换按钮样式微调 */
    .lang-switch-mobile .btn {
        min-width: 70px;
        padding: 4px 10px;
        font-size: 0.85rem;
    }
}