.navigation {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            padding: 10px 0;
        }

        .navigation a {
            font-size: 16px;
            font-weight: 400;
            height: 40px;
            margin: 0 16px;
            display: flex;
            align-items: center;
            text-decoration: none;
            color: #666;
            position: relative;
            white-space: nowrap;
        }

        .navigation a.selected {
            color: #1664ff;
            font-weight: 500;
        }

        /* 内容部分样式 */
        .content-section {
            box-shadow: 0px 4px 60px 0px rgba(0, 28, 85, 0.08);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            position: relative;
            max-width: 1280px;
           
            display: none;
            border-radius: 12px;
        }

        .content-section.active {
            display: flex;
        }

        .content-section .image-side {
            flex: 1;
            /*min-height: 300px;*/
            background-size: cover;
            background-position: center;
        }

        .content-section .image-side > img {
            width: 100%;
            height: 100%;
            display: block;
        }

        .content-section .text-side {
            flex: 1;
            padding: 20px;
        }

        .text-side h3 {
            color: #0c0d0e;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.3;
            /*margin-bottom: 15px;*/
        }

        .feature {
            display: flex;
            padding: 8px 0;
            /*margin-bottom: 8px;*/
            align-items: flex-start;
        }

        .feature img {
            flex-shrink: 0;
            height: 20px;
            margin-right: 10px;
            margin-top: 3px;
        }

        .feature-description span {
            font-size: 14px;
            line-height: 1.5;
            color: #42464e;
        }

        .feature-description span.label {
            font-weight: 500;
            display: block;
            margin-bottom: 4px;
        }
        .actbuttons {
             flex-direction: row;
             gap: 12px;
            margin-top: 20px;
            display: flex;
        }

        .actbuttons a {
            width: 100%;
            height: 38px;
            padding: 0 16px;
            color: rgb(255, 255, 255);
            align-items: center;
            display: flex;
            font-weight: 600;
            justify-content: center;
            background-color: rgb(22, 100, 255);
        }
        .secondary {
            box-shadow: 0 3px 8px 0 rgba(46,70,146,.05);
            background-color: rgb(255, 255, 255) !important;
            color: black !important;
           
        }
        .secondary:hover {
           
            border: 1px solid #3370ff;
        }
        /* 桌面端样式 */
        @media (min-width: 768px) {
            .navigation a {
                font-size: 18px;
                margin: 0 32px;
            }
            .navigation-indicator {
                display: block;
                height: 3px;
                width: 40px;
                background: #1664ff;
                position: absolute;
                bottom: 8px;
                transition: left 0.3s;
            }
            .content-section {
                flex-direction: row;
                margin: 20px auto;
            }
            .text-side h3 {
                font-size: 16px;
                line-height: 40px;
            }
            .feature img {
                height: 22px;
            }
        }
        /* 移动端优化 */
        @media (max-width: 787px) {
            .navigation a {
                font-size: 14px;
                margin: 0 10px;
                height: 35px;
            }
            .text-side h3 {
                font-size: 16px;
            }
            .feature img {
                height: 18px;
            }
            .navigation-indicator {
                display: block;
                height: 3px;
                width: 40px;
                background: #1664ff;
                position: absolute;
                bottom: 8px;
                transition: left 0.3s;
            }
        }