/* 基础重置 - 轻奢风格适配 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
        }

        /* 核心容器 - 宽屏适配+轻奢留白 */
        .core-services {
            max-width: 1280px;
            margin: 80px auto;
            padding: 0 40px;
        }

        /* 标题样式 - 轻奢商务风 */
        .service-title {
            text-align: center;
            font-size: 32px;
            color: #111827;
            font-weight: 700;
            margin-bottom: 60px;
            position: relative;
            letter-spacing: 0.5px;
        }
        .service-title::after {
            content: "";
            display: block;
            width: 90px;
            height: 2px;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            margin: 20px auto 0;
            border-radius: 2px;
        }

        /* 服务列表 - 高级网格布局 */
        .service-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 35px;
        }

        /* 单个服务项 - 轻奢卡片设计 */
        .service-item {
            background: #ffffff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.03);
            border: 1px solid #f3f4f6;
            transition: all 0.4s ease;
        }
        .service-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            border-color: #e5e7eb;
        }

        /* 服务项头部 - 渐变背景+图标 */
        .item-header {
            padding: 25px 30px;
            background: linear-gradient(135deg, #f9fafb, #f3f4f6);
            border-bottom: 1px solid #e5e7eb;
        }
        .item-icon {
            font-size: 24px;
            margin-bottom: 12px;
            color: #3b82f6;
        }
        .item-heading {
            font-size: 20px;
            color: #111827;
            font-weight: 600;
            line-height: 1.3;
        }

        /* 服务项内容 - 简洁易读 */
        .item-body {
            padding: 25px 30px;
        }
        .item-details {
            list-style: none;
        }
        .item-details li {
            font-size: 15px;
            color: #4b5563;
            line-height: 1.7;
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }
        .item-details li::before {
            content: "✓";
            color: #10b981;
            font-weight: 600;
            position: absolute;
            left: 0;
            font-size: 14px;
        }
        .item-details li:last-child {
            margin-bottom: 0;
        }

        /* 每个服务项专属图标/配色（增强区分度） */
        .item-1 .item-icon { color: #3b82f6; }
        .item-2 .item-icon { color: #8b5cf6; }
        .item-3 .item-icon { color: #f97316; }
        .item-4 .item-icon { color: #ec4899; }
        .item-5 .item-icon { color: #10b981; }
        .item-6 .item-icon { color: #1e40af; }

        /* 响应式适配 - 移动端轻奢优化 */
        @media (max-width: 768px) {
            .core-services {
                margin: 50px auto;
                padding: 0 20px;
            }
            .service-title {
                font-size: 28px;
                margin-bottom: 40px;
            }
            .service-list {
                gap: 25px;
            }
            .item-header {
                padding: 20px 25px;
            }
            .item-body {
                padding: 20px 25px;
            }
            .item-heading {
                font-size: 18px;
            }
            .item-details li {
                font-size: 14px;
            }
        }