/* 基础Flex布局样式 */
        .flex-col {
            display: flex;
            flex-direction: column;
        }

        .flex-row {
            display: flex;
            flex-direction: row;
        }

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

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

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

        /* 页面基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .page {
            position: relative;
            width: 100%;
            overflow: hidden;
            background-color: #020617;
        }

        /* 全屏背景图样式 */
        .image_2 {
            width: 100%;
            height: 953px;
            display: block;
            background-image: url(/static/image/aicopy/01-banner.jpg);
            background-size: 100% 100%;
            background-repeat: no-repeat;
            position: relative;
        }

        .img1 {
            width: 100%;
        }

        /* 内容容器 - 75%宽度居中 */
        .content-container {
            width: 75%;
            margin: 0 auto;
            position: relative;
            padding: 0 15px;
        }

        /* 主内容区样式 */
        .box_3 {
            position: relative;
            width: 100%;
            margin-bottom: 120px;
        }

        /* 标题区域样式 */
        .system-title.overseas-title {
            height: auto;
            width: 100%;
            max-width: 800px;
            margin: 60px auto;
            background-image: url(/static/image/aidouble/内页标题-bg.png);
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center;
            padding: 20px 10px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 标题图片优化 */
        .title-image {
            max-width: 100%;
            height: auto;
            max-height: 120px;
            display: block;
        }

        /* 三个功能区块布局 */
        .list_1 {
            width: 100%;
            margin: 0 auto;
            gap: 30px;
            padding: 20px 0;
        }

        .list-item {
            flex: 1;
            min-width: 300px;
            height: 680px;
            background-size: 100% 100%;
            background-image: url(/static/image/aicopy/小模块.png);
            background-repeat: no-repeat;
            padding: 10px;
        }

        .item-image {
            width: calc(100% - 20px);
            height: auto;
            max-height: 349px;
            margin: 17px auto 0;
            display: block;
        }

        .item-title {
            color: rgba(255, 255, 255, 1);
            font-size: 24px;
            font-family: "SourceHanSansSC-Regular";
            line-height: 39px;
            margin: 46px 0 0 34px;
        }

        .item-desc {
            width: calc(100% - 68px);
            color: rgba(213, 223, 255, 1);
            font-size: 18px;
            font-family: "SourceHanSansSC-Regular";
            line-height: 30px;
            margin: 33px 0 0 34px;
            height: auto;
            min-height: 94px;
        }

        /* 按钮区域 */
        .btn-container {
            width: calc(100% - 62px);
            height: 54px;
            margin: 25px 0 32px 31px;
            gap: 8px;
        }

        .item-btn {
            height: 54px;
            background-size: 100% 100%;
            width: 188px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url(/static/image/aicopy/btn.png);
            background-color: transparent;
            border: none;
            cursor: pointer;
            font-size: 24px;
            font-family: "SourceHanSansSC-Regular";
            color: rgba(0, 0, 0, 1);
            transition: transform 0.2s;
        }

        .item-btn:hover {
            background-image: url(/static/image/aicopy/btn-选中.png);
        }

        .item-btn:active {
            transform: scale(0.98);
        }

        /* 版权信息 */
        .footer_mune_son {
            padding: 30px 0;
            text-align: center;
            color: #888;
            font-size: 14px;
        }

        .footer_mune_son_span {
            display: block;
            /* margin: 10px 0; */
        }

        /* 原有响应式样式 */
        @media (max-width: 1200px) {
            .content-container {
                width: 85%;
            }

            .list_1 {
                gap: 20px;
            }

            .system-title.overseas-title {
                max-width: 700px;
            }
        }

        @media (max-width: 992px) {
            .content-container {
                width: 90%;
            }

            .list_1 {
                flex-wrap: wrap;
            }

            .list-item {
                width: calc(50% - 15px);
                height: auto;
                min-height: 600px;
            }

            .system-title.overseas-title {
                margin: 50px auto;
                padding: 15px 10px;
            }
        }

        @media (max-width: 768px) {
            .system-title.overseas-title {
                max-width: 100%;
                margin: 40px auto;
                padding: 15px 5px;
                background-size: cover;
            }

            .title-image {
                max-height: 90px;
            }

            .list-item {
                width: 100%;
                margin-bottom: 30px;
                min-height: 550px;
            }

            .item-title {
                font-size: 22px;
                margin: 30px 0 0 20px;
            }

            .item-desc {
                font-size: 16px;
                margin: 20px 0 0 20px;
                width: calc(100% - 40px);
            }

            .btn-container {
                margin: 20px 0 20px 15px;
            }

            .image_2 {
                margin-top: 60px;
            }
        }

        @media (max-width: 576px) {
            .content-container {
                width: 95%;
            }

            .system-title.overseas-title {
                margin: 30px auto;
                padding: 10px 5px;
            }

            .title-image {
                max-height: 70px;
            }

            .item-btn {
                width: 100%;
                max-width: 188px;
                font-size: 20px;
                height: 48px;
            }
        }

        /* 移动端加强适配 */
        @media (max-width: 768px) {
            .image_2 {
                height: 500px;
                background-size: cover;
                background-position: center;
                margin-top: 0px;
            }

            .content-container {
                width: 92%;
                padding: 0 8px;
            }

            .box_3 {
                margin-bottom: 60px;
            }

            .list-item {
                min-height: 500px;
                height: auto;
                background-size: cover;
                background-position: center;
            }

            .item-image {
                max-height: 250px;
                margin-top: 15px;
            }

            .item-title {
                font-size: 20px;
                margin: 30px 0 0 25px;
                line-height: 1.3;
            }

            .item-desc {
                font-size: 15px;
                line-height: 1.5;
                margin: 25px 0 0 25px;
                min-height: auto;
            }

            .btn-container {
                margin: 20px 0 25px 20px;
            }

            .item-btn {
                height: 50px;
                font-size: 22px;
                width: 170px;
            }

            .footer_mune_son {
                padding: 20px 0;
                font-size: 12px;
            }
        }

        @media (max-width: 375px) {
            .image_2 {
                height: 400px;
            }

            .system-title.overseas-title {
                margin: 25px auto;
            }

            .title-image {
                max-height: 60px;
            }

            .list-item {
                min-height: 450px;
            }

            .item-image {
                max-height: 200px;
            }

            .item-title {
                font-size: 18px;
                margin: 25px 0 0 20px;
            }

            .item-desc {
                font-size: 14px;
                margin: 20px 0 0 20px;
                width: calc(100% - 35px);
            }

            .item-btn {
                height: 45px;
                font-size: 20px;
                width: 150px;
            }
        }