/* 循鑫再生资源企业落地页主样式 */

/* 全局变量定义 */
:root {
    /* 品牌色彩 */
    --primary-green: #2E7D32;
    --primary-green-light: #4CAF50;
    --primary-green-lighter: #81C784;
    --professional-blue: #1976D2;
    --professional-blue-light: #2196F3;
    --professional-blue-lighter: #64B5F6;
    
    /* 中性色调 */
    --neutral-dark: #424242;
    --neutral-medium: #757575;
    --neutral-light: #BDBDBD;
    --neutral-lighter: #F5F5F5;
    
    /* 警示色 */
    --warning-red: #F44336;
    --warning-orange: #FF5722;
    
    /* 文字颜色 */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-white: #ffffff;
    
    /* 字体大小 */
    --font-size-h1: 48px;
    --font-size-h1-mobile: 32px;
    --font-size-h2: 36px;
    --font-size-h2-mobile: 24px;
    --font-size-h3: 24px;
    --font-size-h3-mobile: 20px;
    --font-size-body: 16px;
    --font-size-body-mobile: 14px;
    --font-size-small: 14px;
    --font-size-small-mobile: 12px;
    
    /* 间距 */
    --section-padding: 80px 0;
    --section-padding-mobile: 60px 0;
    --container-padding: 0 15px;
    
    /* 阴影 */
    --box-shadow-light: 0 2px 8px rgba(0,0,0,0.1);
    --box-shadow-medium: 0 4px 16px rgba(0,0,0,0.15);
    --box-shadow-heavy: 0 8px 32px rgba(0,0,0,0.2);
    
    /* 圆角 */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* 过渡动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 基础重置和全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
    line-height: 1.6;
    color: var(--text-primary);
    font-size: var(--font-size-body);
    background-color: #ffffff;
}

/* 链接样式 */
a {
    color: var(--professional-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--professional-blue-light);
    text-decoration: underline;
}

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: 700;
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

/* 段落样式 */
p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

/* 按钮样式 */
.btn {
    border-radius: var(--border-radius-md);
    font-weight: 500;
    padding: 12px 24px;
    font-size: var(--font-size-body);
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    text-decoration: none;
    min-height: 44px; /* 触摸友好 */
    box-shadow: var(--box-shadow-light); /* 添加阴影 */
}

.btn:hover {
    transform: translateY(-2px); /* 悬停时上移 */
    box-shadow: var(--box-shadow-medium); /* 增强阴影 */
}

.btn:active {
    transform: translateY(0); /* 点击时恢复位置 */
    box-shadow: var(--box-shadow-light);
}

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

.btn-primary:hover {
    background-color: var(--primary-green-light);
    color: var(--text-white);
}

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

.btn-secondary:hover {
    background-color: var(--professional-blue-light);
    color: var(--text-white);
}

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
    min-height: 54px;
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-light);
    transition: var(--transition-normal);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05); /* 添加细边框 */
}

.card:hover {
    box-shadow: var(--box-shadow-heavy); /* 增强悬停阴影 */
    transform: translateY(-8px); /* 增加上移距离 */
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

/* 区块样式 */
.section {
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title h2 {
    font-size: var(--font-size-h2);
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-title .subtitle {
    font-size: var(--font-size-body);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-title::after {
    content: '';
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--professional-blue));
    display: block;
    margin: 1.5rem auto 0;
    border-radius: 2px;
}

/* 导航栏样式 */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow-light);
    transition: var(--transition-normal);
    padding: 1rem 0;
    z-index: 1030;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--box-shadow-medium);
    padding: 0.5rem 0;
}

.navbar-brand {
    font-weight: 600;
    color: var(--text-primary) !important;
    transition: var(--transition-fast);
}

.navbar-brand img {
    height: 40px;
    max-width: 160px;
    object-fit: contain;
    transition: var(--transition-fast);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

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

.brand-text {
    font-size: 1.1rem;
    font-weight: 600;
}

.brand-text-short {
    font-size: 1rem;
    font-weight: 600;
}

.navbar-nav .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-fast);
    position: relative;
    text-decoration: none !important; /* 确保没有下划线，使用!important覆盖Bootstrap默认样式 */
    border: none !important; /* 确保没有边框 */
}

.navbar-nav .nav-link:hover {
    color: var(--primary-green) !important;
    text-decoration: none !important; /* 确保悬停时也没有下划线 */
    border: none !important; /* 确保没有边框 */
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: var(--primary-green);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

/* 移除可能存在的默认悬停线 */
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link:active,
.navbar-nav .nav-link:focus-visible {
    text-decoration: none !important;
    box-shadow: none !important;
    border: none !important;
    outline: none !important;
}

/* 针对移动端的特殊处理 */
@media (max-width: 991.98px) {
    .navbar-nav .nav-link {
        text-decoration: none !important;
        border: none !important;
        box-shadow: none !important;
        position: relative;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus,
    .navbar-nav .nav-link:active {
        text-decoration: none !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    /* 确保移动端不会出现Bootstrap默认的下划线 */
    .navbar-nav .nav-link:focus,
    .navbar-nav .nav-link:active,
    .navbar-nav .nav-link:focus-visible {
        text-decoration: none !important;
        box-shadow: none !important;
        border: none !important;
        outline: none !important;
    }
    
    /* 移除可能由Bootstrap添加的任何边框或下划线 */
    .navbar-nav .nav-link:not(.active) {
        border-bottom: none !important;
    }
}

/* 针对更小屏幕的特殊处理 */
@media (max-width: 767.98px) {
    .navbar-nav .nav-link {
        text-decoration: none !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link:focus,
    .navbar-nav .nav-link:active {
        text-decoration: none !important;
        border: none !important;
        box-shadow: none !important;
    }
}

/* 英雄横幅样式 */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--professional-blue) 100%);
    color: var(--text-white);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 6rem 0; /* 增加内边距 */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* 添加动态粒子效果 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-logo {
    height: 80px;
    max-width: 200px;
    object-fit: contain;
}

.hero-title {
    font-size: var(--font-size-h1);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.4); /* 增强主标题阴影效果 */
    color: #ffffff; /* 确保主标题为纯白色 */
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3); /* 增强副标题阴影效果 */
    color: rgba(255, 255, 255, 0.95); /* 提高副标题文字透明度 */
}

/* 针对不同文字内容的特殊处理 */
.hero-title .text-white {
    color: #ffffff !important;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.4) !important; /* 确保"专业·真诚·靠谱"文字有足够对比度 */
}

.hero-title .text-success {
    color: #4CAF50 !important; /* 使用更亮的绿色 */
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.4) !important; /* 增强"循鑫再生资源"文字阴影 */
}

.hero-subtitle .text-white-50 {
    color: rgba(255, 255, 255, 0.95) !important; /* 提高副标题文字透明度 */
}

.value-item {
    padding: 1rem;
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.2); /* 进一步增加背景透明度 */
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.3); /* 增强边框可见性 */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); /* 增强阴影效果 */
}

.value-item:hover {
    background: rgba(255, 255, 255, 0.3); /* 进一步增加悬停时的背景透明度 */
    transform: translateY(-4px);
    border: 1px solid rgba(255, 255, 255, 0.5); /* 悬停时进一步增强边框 */
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3); /* 增强悬停时的阴影 */
}

.text-white {
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4); /* 增强白色文字阴影 */
}

/* 针对"靠谱"卡片的特殊优化 */
.value-item:nth-child(3) .text-white {
    color: #ffffff !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4) !important; /* 确保"靠谱"文字有足够对比度 */
}

/* 移动端优化 */
@media (max-width: 767.98px) {
    .value-item {
        padding: 0.8rem;
        background: rgba(255, 255, 255, 0.25); /* 移动端进一步增强背景 */
        border: 1px solid rgba(255, 255, 255, 0.35);
    }
    
    .text-white {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4); /* 移动端增强文字阴影 */
    }
}

.stat-card {
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    background: rgba(255, 255, 255, 0.2); /* 进一步增加背景透明度 */
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.3); /* 增强边框可见性 */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); /* 增强阴影效果 */
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.3); /* 进一步增加悬停时的背景透明度 */
    transform: translateY(-4px);
    border: 1px solid rgba(255, 255, 255, 0.5); /* 悬停时进一步增强边框 */
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3); /* 增强悬停时的阴影 */
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff; /* 确保数字为白色 */
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4); /* 增强数字阴影效果 */
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.95); /* 提高标签透明度 */
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3); /* 增强标签阴影效果 */
}

/* 针对特定卡片的优化 */
.stat-card:nth-child(3) .stat-number {
    color: #4CAF50 !important; /* "透明"卡片使用更亮的绿色 */
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4) !important;
}

.stat-card:nth-child(3) .stat-label {
    color: rgba(255, 255, 255, 0.95) !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-down {
    color: var(--text-white);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    text-decoration: none;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 响应式优化英雄横幅 */
@media (max-width: 991.98px) {
    .hero-section {
        padding: 4rem 0;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-values .col-4 {
        flex: 0 0 auto;
        width: 33.333%;
    }
}

@media (max-width: 767.98px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-values .col-4 {
        flex: 0 0 auto;
        width: 33.333%;
    }
    
    .hero-cta .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .hero-stats .col-6 {
        flex: 0 0 auto;
        width: 50%;
        margin-bottom: 1rem;
    }
}

/* 业务卡片样式 */
.business-card {
    height: 100%;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    border: none;
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-heavy);
}

.card-img-container {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(46, 125, 50, 0.8), rgba(25, 118, 210, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.business-card:hover .card-overlay {
    opacity: 1;
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    transition: var(--transition-normal);
}

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

/* 业务卡片图片占位符样式 */
.card-img-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    z-index: 1;
}

.card-img-container img {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 为不同业务类型添加特定的背景渐变 */
.business-card:nth-child(1) .card-img-container::before {
    background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%); /* 金属回收 - 橙色 */
}

.business-card:nth-child(2) .card-img-container::before {
    background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%); /* 电器回收 - 蓝色 */
}

.business-card:nth-child(3) .card-img-container::before {
    background: linear-gradient(135deg, #ffc107 0%, #ff8f00 100%); /* 珠宝回收 - 金色 */
}

.business-card:nth-child(4) .card-img-container::before {
    background: linear-gradient(135deg, #607d8b 0%, #455a64 100%); /* 机械回收 - 灰蓝色 */
}

.business-card:nth-child(5) .card-img-container::before {
    background: linear-gradient(135deg, #4caf50 0%, #388e3c 100%); /* 再生资源 - 绿色 */
}

.business-card:nth-child(6) .card-img-container::before {
    background: linear-gradient(135deg, #f44336 0%, #d32f2f 100%); /* 钢结构拆除 - 红色 */
}



.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.card-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 公司优势样式 */
.advantage-card {
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius-lg);
    background: #ffffff;
    box-shadow: var(--box-shadow-light);
    transition: var(--transition-normal);
    border: 1px solid #f0f0f0;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-heavy);
    border-color: var(--primary-green);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-green), var(--professional-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    transition: var(--transition-normal);
}

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

.advantage-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.advantage-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* 统计数据样式 */
.stats-container {
    background: var(--neutral-lighter);
    border-radius: var(--border-radius-xl);
    padding: 3rem 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-green), var(--professional-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-item .stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

/* 企业使命样式 */
.mission-statement {
    background: var(--neutral-lighter);
    border-radius: var(--border-radius-xl);
    padding: 3rem 2rem;
    margin-top: 3rem;
}

.value-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    border-radius: var(--border-radius-md);
    background: white;
    box-shadow: var(--box-shadow-light);
    transition: var(--transition-normal);
}

.value-badge:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-medium);
}

.value-badge i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.value-badge span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* 服务流程样式 */
.process-step {
    padding: 1.5rem;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-green), var(--professional-blue));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 1rem;
    transition: var(--transition-normal);
}

.process-step:hover .step-number {
    transform: scale(1.1);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: rgba(46, 125, 50, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--primary-green);
    font-size: 1.5rem;
    transition: var(--transition-normal);
}

.process-step:hover .step-icon {
    background: var(--primary-green);
    color: white;
    transform: scale(1.05);
}

.step-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.step-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.service-promise {
    padding: 1.5rem;
    background: var(--neutral-lighter);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--primary-green);
}

.promise-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

.promise-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.promise-list {
    font-size: 0.85rem;
    line-height: 1.6;
}

.promise-list li {
    margin-bottom: 0.25rem;
}

/* 保障项目样式 */
.guarantee-item {
    display: flex;
    align-items: flex-start;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-light);
    transition: var(--transition-normal);
}

.guarantee-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-medium);
}

.guarantee-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.guarantee-content h6 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* CTA区域样式 */
.cta-section {
    background: var(--neutral-lighter);
    border-radius: var(--border-radius-xl);
    padding: 3rem 2rem;
    margin-top: 3rem;
}

.cta-buttons .btn {
    min-width: 160px;
}

/* 联系信息区域样式 */
.contact-info {
    padding: 1.5rem;
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-light);
}

.contact-info h4 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.5rem;
}

.contact-item {
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-green), var(--professional-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
    color: white;
    font-size: 1.25rem;
}

.contact-details h6 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-details p {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-details small {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.contact-details a {
    color: var(--professional-blue);
    font-weight: 500;
}

.contact-details a:hover {
    color: var(--professional-blue-light);
}

.quick-actions h6 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.quick-actions .btn {
    font-size: 0.9rem;
    padding: 8px 16px;
    margin-bottom: 0.5rem;
}

/* 表单提交提示样式 */
.form-submit-info {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: var(--border-radius-sm);
    padding: 0.75rem;
    text-align: center;
}

.form-submit-info small {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.4;
}

.alternative-contact {
    text-align: center;
    margin-top: 0.75rem;
}

.alternative-contact a {
    color: var(--primary-green);
    transition: var(--transition-fast);
}

.alternative-contact a:hover {
    color: var(--primary-green-light);
    text-decoration: underline;
}

/* 响应式媒体查询 */
@media (max-width: 767.98px) {
    :root {
        --font-size-h1: var(--font-size-h1-mobile);
        --font-size-h2: var(--font-size-h2-mobile);
        --font-size-h3: var(--font-size-h3-mobile);
        --font-size-body: var(--font-size-body-mobile);
        --font-size-small: var(--font-size-small-mobile);
        --section-padding: var(--section-padding-mobile);
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .btn-lg {
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: var(--font-size-h2-mobile);
    }
    
    .hero-section {
        min-height: 90vh;
        text-align: center;
    }
    
    /* 移动端联系信息优化 */
    .contact-info {
        padding: 1rem;
        margin-top: 2rem;
    }
    
    .contact-info h4 {
        font-size: 1.4rem;
        text-align: center;
        margin-bottom: 1.5rem;
    }
    
    .contact-item {
        padding: 1.5rem 0;
        margin-bottom: 0.5rem;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-right: 1.25rem;
        flex-shrink: 0;
    }
    
    .contact-details {
        flex: 1;
        padding-left: 0.5rem;
    }
    
    .contact-details h6 {
        font-size: 1.2rem;
        margin-bottom: 0.75rem;
        font-weight: 600;
    }
    
    .contact-details p {
        font-size: 1.15rem;
        line-height: 1.5;
        margin-bottom: 0.6rem;
    }
    
    .contact-details small {
        font-size: 1rem;
        line-height: 1.4;
        display: block;
        margin-top: 0.5rem;
    }
    
    .contact-details .btn-sm {
        font-size: 0.8rem;
        padding: 4px 8px;
    }
    
    .quick-actions {
        margin-top: 1.5rem;
    }
    
    .quick-actions h6 {
        font-size: 1.15rem;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .quick-actions .btn {
        font-size: 1rem;
        padding: 12px 16px;
        margin-bottom: 0.75rem;
        min-width: 100px;
    }
    
    .quick-actions .d-flex {
        justify-content: center;
    }
    
    /* 二维码区域优化 */
    .qr-placeholder {
        text-align: center;
    }
    
    .qr-placeholder img {
        max-width: 120px !important;
    }
    
    .qr-placeholder p,
    .qr-placeholder small {
        font-size: 0.95rem;
        margin-top: 0.5rem;
    }
}

@media (max-width: 575.98px) {
    .container-fluid {
        padding: var(--container-padding);
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title {
        margin-bottom: 2rem;
    }
}

/* 页脚样式 */
.footer-section {
    padding: 3rem 0 1rem;
    background-color: #212529;
}

.footer-logo img {
    width: auto;
    height: auto;
    max-height: 80px;
    max-width: 100%;
    object-fit: contain;
    object-position: center;
    transition: var(--transition-normal);
    filter: none; /* 确保不应用滤镜效果 */
}

.footer-logo:hover img {
    transform: scale(1.05);
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-green);
    transform: translateX(4px);
}

.footer-contact .contact-item {
    margin-bottom: 0.75rem;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top button {
    width: 50px;
    height: 50px;
    border: none;
    box-shadow: var(--box-shadow-medium);
    transition: var(--transition-normal);
}

.back-to-top button:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-heavy);
}

/* 可访问性样式 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 焦点状态 */
*:focus {
    outline: 2px solid var(--professional-blue);
    outline-offset: 2px;
}

/* 预加载和性能优化 */
img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

/* 动画优化 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 移动端优化 */
@media (max-width: 767.98px) {
    .value-item {
        padding: 0.8rem;
        background: rgba(255, 255, 255, 0.25); /* 移动端进一步增强背景 */
        border: 1px solid rgba(255, 255, 255, 0.35);
    }
    
    .text-white {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4); /* 移动端增强文字阴影 */
    }
    
    .stat-card {
        padding: 1.2rem;
        background: rgba(255, 255, 255, 0.2); /* 移动端进一步增强背景 */
        border: 1px solid rgba(255, 255, 255, 0.3);
    }
    
    .stat-number {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4); /* 移动端增强数字阴影 */
    }
    
    .stat-label {
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3); /* 移动端增强标签阴影 */
    }
}