:root {
            /* 颜色变量 - 保持品牌一致性 */
            --color-primary: #0c765c;
            --color-primary-dark: #0a634d;
            --color-secondary: #f8f9fa;
            --color-dark: #333333;
            --color-light: #e9ecef;
            --color-gray-700: #374151;
            --color-white: #ffffff;
            --color-shadow: rgba(0, 0, 0, 0.1);
            
            /* HEART 模块配色 */
            --color-honest: #0c765c;
            --color-energy: #2a9d8f;
            --color-ambition: #264653;
            --color-responsibility: #e9c46a;
            --color-together: #f4a261;
            
            /* 间距变量 */
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 4rem;
            
            /* 过渡效果 */
            --transition-default: all 0.3s ease;
        }

        body {
            color: var(--color-dark);
            background-color: var(--color-white);
            line-height: 1.5;
        }

        /* 通用工具类 */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        .text-shadow {
            text-shadow: 0 2px 4px var(--color-shadow);
        }

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

        .section-spacing {
            padding: clamp(2rem, 5vw, 4rem) 0;
        }

        .section-spacing .heart-card h3 {
            font-size: clamp(14px, 0.85vw, 16px);
            color: #fff;
        }

        .section-spacing h3 {
            font-size: clamp(20px, 1.3vw, 24px);
        }

        .section-spacing p {
            font-size: clamp(14px, 0.85vw, 16px);
        }

        .section-spacing h2{font-size: clamp(24px, 1.7vw, 32px);}
        .section-spacing h2::after {
               content: "";
                width: 80px;
                height: 5px;
                background: #0c765c;
                display: block;
                margin: 0.4rem auto 0;
                border-radius: 3px; 
        }
        .rounded-lg {
            border-radius: 0.5rem;
        }

        .rounded-full {
            border-radius: 9999px;
        }

        .shadow-sm {
            box-shadow: 0 1px 2px 0 var(--color-shadow);
        }

        .shadow-md {
            box-shadow: 1px 1px 6px -1px var(--color-shadow);
        }

        .shadow-lg {
            box-shadow: 0 10px 15px -3px var(--color-shadow);
        }

        .opacity-80 {
            opacity: 0.8;
        }

        .opacity-90 {
            opacity: 0.9;
        }

        .opacity-100 {
            opacity: 1;
        }

        .opacity-0 {
            opacity: 0;
        }

        .hover\:shadow-md:hover {
            box-shadow: 0 4px 6px -1px var(--color-shadow);
        }

        .hover\:bg-opacity-90:hover {
            background-color: rgba(12, 118, 92, 0.9);
        }

        .transition-all {
            transition: var(--transition-default);
        }

        .transition-colors {
            transition: color var(--transition-default);
        }

        .transition-shadow {
            transition: box-shadow var(--transition-default);
        }

        /* 排版样式 */
        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 700;
            margin-bottom: 1rem;
            text-align: center;
        }

        
        h2 {
            font-size: clamp(1.5rem, 3vw, 2.0rem);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 2rem;
        }

        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        h4 {
            font-size: clamp(18px, 1.05vw, 20px);
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .text-xl {
            font-size: 1.25rem;
        }

        .text-lg {
            font-size: 1rem;
        }

        .text-sm {
            font-size: 0.875rem;
        }

        .font-bold {
            font-weight: 700;
        }

        .font-semibold {
            font-weight: 600;
        }

        .font-medium {
            font-weight: 500;
        }

        .leading-relaxed {
            line-height: 1.8;
        }

        /* 布局样式 */
        .flex {
            display: flex;
        }

        .grid {
            display: grid;
        }

        .hidden {
            display: none;
        }

        .items-center {
            align-items: center;
        }

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

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

        .flex-col {
            flex-direction: column;
        }

        .space-x-8 > * + * {
            margin-left: 2rem;
        }

        .space-y-2 > * + * {
            margin-top: 0.5rem;
        }

        .space-y-4 > * + * {
            margin-top: 1rem;
        }
        
        .space-y-6 > * + * {
            margin-top: 1.5rem;
        }

        .mb-4 {
            margin-bottom: 1rem;
        }

        .mb-8 {
            margin-bottom: 2rem;
        }

        .mb-10 {
            margin-bottom: 2.5rem;
        }

        .mr-2 {
            margin-right: 0.5rem;
        }

        .mr-3 {
            margin-right: 0.75rem;
        }

        .p-4 {
            padding: 1rem;
        }

        .p-6 {
            padding: 1.5rem;
        }

        .p-8 {
            padding: 2rem;
        }

        .py-4 {
            padding-top: 1rem;
            padding-bottom: 1rem;
        }

        .py-10 {
            padding-top: 2.5rem;
            padding-bottom: 2.5rem;
        }

        .py-20 {
            padding-top: 3rem;
            padding-bottom: 3rem;
        }

        .px-4 {
            padding-left: 1rem;
            padding-right: 1rem;
        }

        .max-w-3xl {
            max-width: 148rem;
        }

        .max-w-4xl {
            max-width: 156rem;
            margin: 0 auto;
        }

        .w-12 {
            width: 3rem;
        }
        
        .w-16 {
            width: 4rem;
        }

        .h-12 {
            height: 3rem;
        }
        
        .h-16 {
            height: 4rem;
        }

        .border-l-4 {
            border-left-width: 4px;
        }

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

        .text-primary {
            color: var(--color-primary) !important;
        }

        .text-dark {
            color: var(--color-dark);
        }

        .text-white {
            color: var(--color-white);
        }

        .text-gray-700 {
            color: var(--color-gray-700);
        }

        .bg-white {
            background-color: var(--color-white);
        }

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

        .bg-secondary {
            background-color: var(--color-secondary) !important;
        }

        .bg-light {
            background-color: var(--color-light);
        }

        .hover\:text-primary:hover {
            color: var(--color-primary);
        }

        .fixed {
            position: fixed;
        }

        .sticky {
            position: sticky;
        }

        .top-0 {
            top: 0;
        }

        .bottom-8 {
            bottom: 2rem;
        }

        .right-8 {
            right: 2rem;
        }

        .z-50 {
            z-index: 50;
        }

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

        /* 响应式样式 */
        @media (min-width: 768px) {
            .md\:flex {
                display: flex;
            }

            .md\:hidden {
                display: none;
            }

            .md\:grid-cols-2 {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
            
            .md\:grid-cols-3 {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }
            
            .md\:grid-cols-5 {
                grid-template-columns: repeat(5, minmax(0, 1fr));
            }
            
            .md\:gap-6 {
                gap: 1.5rem;
            }

            .md\:gap-8 {
                gap: 2rem;
            }

            .gap-4 {
                gap: 1rem;
            }

            .gap-6 {
                gap: 1.5rem;
            }

            .gap-8 {
                gap: 2rem;
            }
        }
        
        /* HEART 模块样式 */
        .heart-card {
            padding: 2rem 1.5rem;
            border-radius: 0.75rem;
            color: white;
            text-align: center;
            transition: transform 0.3s ease;
        }
        
        .heart-card:hover {
            transform: translateY(-5px);
        }
        
        .heart-card.honest {
            background-color: var(--color-honest);
        }
        
        .heart-card.energy {
            background-color: var(--color-energy);
        }
        
        .heart-card.ambition {
            background-color: var(--color-ambition);
        }
        
        .heart-card.responsibility {
            background-color: var(--color-responsibility);
            color: var(--color-dark);
        }
        
        .heart-card.together {
            background-color: var(--color-together);
        }
        
        .heart-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        
        /* SDG 目标样式 */
        .sdg-card {
            background-color: white;
            border-radius: 0.75rem;
            padding: 1.5rem;
            border: 1px solid var(--color-light);
            transition: all 0.3s ease;
        }
        
        .sdg-card:hover {
            border-color: var(--color-primary);
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }
        
        .sdg-badge {
            width: 6rem;
            height: 4rem;
            border-radius: 12px;
            background-color: var(--color-primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 1rem;
        }
        
        /* 行动举措样式 */
        .action-item {
            padding: 1rem 0;
            border-bottom: 1px solid var(--color-light);
            display: flex;
            align-items: center;
        }
        
        .action-item:last-child {
            border-bottom: none;
        }
        
        .action-link {
            color: var(--color-primary);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .action-link:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }
        
        .action-icon {
            margin-right: 0.75rem;
            color: var(--color-primary);
        }



@media (max-width: 991px) {
    .md\:grid-cols-5 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767px) {
    .md\:grid-cols-5 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .heart-card{margin: 10px;}
    .sdg-card{margin: 0 0 10px 0;}
}