/* 愿景使命卡片样式 */
        .mission-card {
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 50px;
            margin-bottom: 60px;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .mission-card:hover {
            transform: translateY(-1px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .mission-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 8px;
            height: 100%;
            background: var(--primary);
        }
        
        .mission-title {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .mission-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        
        .mission-text {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 25px;
        }
        
        .mission-highlight {
            background: rgba(46, 125, 50, 0.1);
            padding: 25px;
            border-left: 4px solid var(--primary);
            margin: 25px 0;
            font-size: 1.2rem;
            font-style: italic;
            color: var(--primary-dark);
        }
        
        /* 核心价值观部分 */
        .values-section {
            background: linear-gradient(135deg, #1a5e20 0%, #2e7d32 100%);
            padding: 80px 20px;
            color: white;
            border-radius: var(--border-radius);
            margin: 60px 0;
        }
        
        .values-section h2 {
            color: white;
        }
        
        .values-container {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .values-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .value-card {
            background: rgba(255, 255, 255, 0.1);
            padding: 30px;
            border-radius: var(--border-radius);
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            text-align: center;
            transition: var(--transition);
        }
        
        .value-card:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.15);
        }
        
        .value-icon {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 20px;
        }
        
        .value-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--white);
        }
        
        .value-desc {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1rem;
            line-height: 1.6;
        }
        
        /* 可持续发展目标部分 */
        .sdg-section {
            padding: 60px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .sdg-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }
        
        .sdg-card {
            background: var(--white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            text-align: center;
        }
        
        .sdg-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .sdg-image {
            height: 180px;
            overflow: hidden;
        }
        
        .sdg-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .sdg-card:hover .sdg-image img {
            transform: scale(1.1);
        }
        
        .sdg-info {
            padding: 20px;
        }
        
        .sdg-title {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 10px;
        }
        
        .sdg-desc {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.6;
        }