.swiper {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    height: 800px !important;
}
.sinpic {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    text-align: center;
    background-color: #f2f5fa;
}
.sinpic img {
    width: 100%;
    height: 100%;
    max-width: 800px;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner_Box {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    z-index: 10;
}

.banner_Box2 {
    width: 100%;
    position: absolute;
    top: -120px;
    align-items: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    z-index: 10;
}
.banner_Box3 {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    color: #fff;
    z-index: 10;
}

.banner_txt1 {
    font-weight: bold;
    font-size: var(--fontsize4);
    display: flex;
    align-items: center;
}
.banner_txt2 {
    font-size: var(--fontsize5);
    margin-top: 30px;
}
.banner_txt3 {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 30px;
    font-size: var(--fontsize5);
}
.banner_txt4 {
    font-weight: bold;
    font-size: 60px;
    display: flex;
    align-items: center;
}
.banner_txt5 {
    font-size: 40px;
    display: flex;
    align-items: center;
    margin-top: 30px;
    margin-bottom: 30px;
}
.banner_txt6 {
    font-size: 20px;
    display: flex;
    align-items: center;
}

.zhihuijiaoyu_txt4 {
    font-weight: bold;
    font-size: var(--fontsize2);
    text-align: left;
    margin-top: 30px;
    line-height: 51px;
    width: 75%;
}
.zhihuijiaoyu_txt3 {
    margin-top: 45px;
    font-size: var(--fontsize2);
    text-align: center;
    background: #fff;
    color: #00d1b2;
    border-radius: 22px;
    width: max-content;
    width: 178px;
    height: 44px;
    line-height: 44px;
    font-weight: bold;
}

.sanjiao {
    border: 25px solid transparent;
    border-right-color: #00d1b2;
}
.sanjiao_con {
    width: 160px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: #00d1b2;
    font-size: var(--fontsize6);
}
.con_gg1 {
    padding-top: 80px;
}
.con_gg2 {
    padding: 80px 0;
}
.iconbox {
    width: 48px;
    height: 48px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}
.iconbg1 {
    background: #edecfc;
}
.iconbg2 {
    background: #e7f8f2;
}
.iconbg3 {
    background: #e1f4fa;
}
.duihaobox {
    width: 16px;
    height: 16px;
    background: var(--color1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.con1 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    column-gap: 80px;
    row-gap: 30px;
}
.con2_1 {
    width: calc(100% / 3 - 24px);
    box-shadow: 0px 1px 7px 0px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    padding: 30px 40px;
    box-sizing: border-box;
}
.con4_1 {
    width: 375px;
    padding: 30px 0 30px 40px;
    box-sizing: border-box;
    display: flex;
    gap: 70px;
}
.con1_1 {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 600px;
    height: 60px;
    background: #ffffff;
    border-radius: 30px;
    padding: 0 30px;
    cursor: pointer;
}
.con2_btn1 {
    margin: 30px auto 0;
    width: 180px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    background: #ffffff;
    border-radius: 22px;
    border: 1px solid #00d1b2;
    color: #00d1b2;
    cursor: pointer;
}

/* 左边轮播按钮 */
.swiper-button-prev {
    width: 50px !important;
    height: 50px !important;
    left: 30px !important;
    border-radius: 50%;
    /* background-color: rgba(0, 0, 0, 0.37); */
}
.swiper-button-prev::after {
    font-size: 47px !important;
    color: #fff;
    font-weight: bold;
}
/* 右边轮播按钮 */
.swiper-button-next {
    width: 50px !important;
    height: 50px !important;
    right: 30px !important;
    border-radius: 50%;
    /* background-color: rgba(0, 0, 0, 0.37); */
}
.swiper-button-next::after {
    font-size: 47px !important;
    color: #fff;
    font-weight: bold;
}
/* 轮播下方图例 */
.swiper-pagination {
    bottom: 30px !important;
}
.swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.6) !important;
    width: 16px !important;
    height: 16px !important;
    border-radius: 50% !important;
}
.swiper-pagination-bullet-active {
    background: #00d1b2 !important;
}

/* --- 布局容器 --- */
.productitem1,
.productitem2 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 120px;
    gap: 50px;
}

/* --- 文字在右 --- */
.productitem1-left {
    flex: 0 0 52%;
}
.productitem1-left .main-img {
    width: 100%;
    display: block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}
.productitem1-right {
    flex: 0 0 48%;
    padding-left: 0;
}
.productitem1-left .ai-window {
    width: 100%;
    position: relative;
    justify-content: flex-start;
}
.productitem1-left .ai-bg {
    width: 100%;
    display: block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0);
    border-radius: 8px;
}

.convert-container {
    width: 100%;
    height: 400px; /*做出背景框*/
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.1);
}
.convert-container img {
    max-width: 100%;
    height: auto;
    display: block;
    flex-shrink: 1; /* 允许在空间不足时缩小 */
}

/* --- 文字在左 --- */
.productitem2-left {
    flex: 0 0 48%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.productitem2-right {
    flex: 0 0 52%;
}
.productitem2-right .ai-window {
    width: 100%;
    position: relative;
}
.productitem2-right .ai-bg {
    width: 100%;
    display: block;
    border-radius: 8px;
}

.subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}
.feature-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 15px 30px;
    margin-bottom: 40px;
    padding: 0;
}
.feature-list li {
    font-size: 15px;
    color: #00d1b2;
    display: flex;
    align-items: center;
}
.feature-list li img {
    width: 18px;
    margin-right: 8px;
}

.btn-change {
    display: inline-block;
    padding: 12px 50px;
    border: 2px solid #00d1b2;
    color: #00d1b2;
    border-radius: 30px;
    text-decoration: none !important;
    font-size: 16px;
    transition: all 0.3s;
    background: #fff;
}
.btn-change:hover {
    background: #00d1b2;
    color: #fff;
}

/* --- AIppt打字动画 --- */
.typing-text {
    position: absolute;
    top: 16%;
    left: 8%;
    font-size: 23px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    border-right: 2px solid #00d1b2;
    animation: typing1 3s steps(30) infinite;
}
@keyframes typing1 {
    from {
        width: 0;
    }
    to {
        width: 15ch;
    }
}
@keyframes blink {
    from,
    to {
        border-color: transparent;
    }
    50% {
        border-color: #00d1b2;
    }
}

/* --- AI思维导图打字动画 --- */
/* 两张图的切换逻辑 */
.img-step1 {
    position: relative;
    z-index: 1;
    animation: fadeOut 7s infinite;
}
.img-step2 {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    opacity: 0;
    animation: fadeIn 7s infinite;
}

/* 上海迪士尼打字动画 */
.typing-box2 {
    position: absolute;
    top: 50.7%; /* 根据输入框位置微调 */
    left: 23%;
    z-index: 2;
    font-size: 23px;
    color: #333;
    display: flex;
    align-items: center;
    animation: fadeOut 7s infinite;
}
.typing-text2 {
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    width: 0;
    animation: typing2 7s steps(20) infinite;
}

/* 2. 鼠标移动动画 */
.fake-mouse {
    position: absolute;
    width: 30px;
    z-index: 10;
    bottom: -50px; /* 初始在画面外 */
    right: 10%;
    opacity: 0;
    animation: mouse-move 7s ease-in-out infinite;
}
.click-effect-img {
    position: absolute;
    width: 6%;
    z-index: 9;
    bottom: 44.5%;
    right: 29%;
    transform: translate(50%, 50%) scale(1);
    animation: fadeOut 7s infinite;
}

/* --- AI思维导图动画序列定义 --- */

/* 文字打出 */
@keyframes typing2 {
    0% {
        width: 0;
    }
    30%,
    80% {
        width: 16ch;
    } /* 3s时打完并保持 */
    90%,
    100% {
        width: 0;
    }
}
@keyframes mouse-move {
    0%,
    30% {
        bottom: -50px;
        right: 10%;
        opacity: 0;
        transform: scale(1);
    }
    35% {
        opacity: 1;
    }
    50% {
        bottom: 37%;
        right: 25%;
        transform: scale(1);
    } /* 移动到发送键位置 */
    53% {
        transform: scale(0.8);
    } /* 点击缩放效果 */
    55% {
        transform: scale(1);
        opacity: 1;
    }
    60%,
    100% {
        opacity: 0;
    } /* 点击完消失 */
}
@keyframes fadeOut {
    0%,
    54% {
        opacity: 1;
    }
    55%,
    100% {
        opacity: 0;
    }
}
@keyframes fadeIn {
    0%,
    54% {
        opacity: 0;
    }
    56%,
    100% {
        opacity: 1;
    }
}
.cursor {
    animation: blink 0.7s infinite;
}
@keyframes blink {
    50% {
        opacity: 0;
    }
}

/*国际交流打字动画*/
.typing-text3 {
    position: absolute;
    top: 83%;
    left: 17%;
    font-size: 23px;
    font-weight: bold;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    animation: typing3 3s steps(15) infinite;
}
.typing-text4 {
    position: absolute;
    top: 83%;
    left: 60%;
    font-size: 23px;
    font-weight: bold;
    color: #ffffff;
    white-space: nowrap;
    overflow: hidden;
    animation: typing4 3s steps(20) infinite;
}
@keyframes typing3 {
    0% {
        width: 0;
    }
    60% {
        width: 7.5ch;
    }
    100% {
        width: 7.5ch;
    }
}
@keyframes typing4 {
    0% {
        width: 0;
    }
    60% {
        width: 18.5ch;
    }
    100% {
        width: 18.5ch;
    }
}

/*协同编辑动画*/
.cursor-user {
    position: absolute;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 4px;
    pointer-events: none; 
}
.cursor-user img {
    width: 120%; 
    transform: rotate(-10deg);
}
/* --- 动画分配 --- */
.user-ben {
    animation: move-ben 5s infinite ease-in-out;
}
.user-mia {
    animation: move-mia 5s infinite ease-in-out;
}
.user-zoe {
    animation: move-zoe 5s infinite ease-in-out;
}
.user-tom {
    animation: move-tom 5s infinite ease-in-out;
}
/* --- 轨迹定义 --- */
@keyframes move-ben {
    40%,
    100% {
        top: 15%;
        left: 11%;
    }
    0% {
        top: 12%;
        left: 35%;
    }
}

@keyframes move-mia {
    40%,
    100% {
        top: 40%;
        left: 75%;
    }
    0% {
        top: 25%;
        left: 45%;
    }
}

@keyframes move-zoe {
    40%,
    100% {
        top: 65%;
        left: 75%;
    }
    0% {
        top: 65%;
        left: 40%;
    }
}

@keyframes move-tom {
    40%,
    100% {
        top: 70%;
        left: 5%;
    }
    0% {
        top: 78%;
        left: 35%;
    }
}

/*箭头渐变动画*/
.arrow-steps {
    display: flex;
    align-items: center;
    gap: 5px;
}
.step {
    opacity: 0;
    animation: step-fade 3s infinite;
}
/* 分步延迟*/
.step-1 {
    animation-delay: 0s;
}
.step-2 {
    animation-delay: 0.3s;
}
.step-3 {
    animation-delay: 0.6s;
}
.step-4 {
    animation-delay: 0.9s;
}
.step-5 {
    animation-delay: 1.2s;
}
@keyframes step-fade {
    0% {
        opacity: 0;
        transform: translateX(-5px);
    }
    30%,
    80% {
        opacity: 1;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
    }
}

/*弹幕库滚动*/
.feedback-section {
    max-width: 1920px;
    width: 100%;
    margin: auto;
    display: flex;
    align-items: center;
    background: #f4f9ff;
    overflow: hidden;
    padding: 60px 20px;
}
.feedback-left img {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin: 20px auto 0 auto;
}
.feedback-left {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 20px;
}
.feedback-left img {
    width: 100%;
}
.danmaku-area {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column; /* 确保 track-1 和 track-2 垂直排开 */
    gap: 10px;
    justify-content: space-around;
    gap: 40px;
    padding: 20px 0;
    /* 根据卡片高度设置一个最小高度*/
    min-height: 400px;
}

.danmaku-track {
    display: flex;
    flex-shrink: 0;
    height: 180px;
    align-items: center;
    position: relative;
}

.danmaku-group {
    display: flex;
    /* 引用无限滚动动画 */
    animation: scroll-left 25s linear infinite;
}
.track-2 .danmaku-group {
    animation: scroll-left 35s linear infinite; /* 第二行 */
}

/* 评价卡片样式 */
.con5_1 {
    position: relative;
    align-items: flex-end;
    display: flex;
    width: 480px; /* 根据图中比例，卡片较宽 */
    margin-left: 200px;
    flex-shrink: 0;
    gap: 20px;
}
.avatar-wrap {
    width: 60px;
    height: 60px;
    z-index: 2;
}
.avatar-wrap img {
    bottom: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
}
.comment-card {
    flex: 1;
    background: #ffffff;
    border-radius: 15px;
    padding: 25px 30px 25px 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: left;
}
.user-meta {
    margin-bottom: 12px;
}
.u-name {
    display: block;
    font-size: 18px;
    font-weight: bold;
    color: #333;
}
.u-job {
    display: block;
    font-size: 14px;
    color: #999;
    margin-top: 4px;
}
.u-feedback {
    font-size: 15px;
    line-height: 1.6;
    color: #666;
}
/* 动画：向左移动一个整组的距离 */
@keyframes scroll-left {
    from {
        transform: translateX(30%);
    }
    to {
        transform: translateX(-100%);
    }
}
@keyframes scroll-left-mobile {
    from {
        transform: translateX(60%);
    }
    to {
        transform: translateX(-70%);
    }
}

@media (max-width: 768px) {
    .feedback-section {
        flex-direction: column;
        padding: 40px 15px;
        align-items: center;
    }
    .feedback-left {
        flex: 0 0 100%;
        width: 100%;
        text-align: center;
        align-items: center;
        margin-bottom: 40px;
    }
    .feedback-title {
        font-size: 20px;
    }
    .con5_1 {
        width: 300px;
        margin: 0 20px;
    }
    .avatar-wrap {
        width: 50px;
        height: 50px;
        left: -10px;
        bottom: 5px;
    }
    .comment-card {
        padding: 15px 15px 20px 30px;
    }
    .u-name {
        font-size: 15px;
    }
    .u-job {
        font-size: 12px;
    }
    .u-feedback {
        font-size: 13px;
        line-height: 1.4;
    }
    .danmaku-area {
        gap: 30px;
    }
    .danmaku-group {
        animation: scroll-left-mobile 20s linear infinite !important;
    }
    .track-2 .danmaku-group {
        animation: scroll-left-mobile 30s linear infinite !important;
    }
}
@media (max-width: 768px) {
    .feedback-section {
        flex-direction: column;
    }
    .feedback-left {
        width: 60%;
        margin-bottom: 30px;
    }

    .con5_1 {
        width: 260px;
        padding: 15px;
    }
    .user-name {
        font-size: 14px;
    }
    .feedback-text {
        font-size: 12px;
    }
}
@media (max-width: 768px) {
    .swiper {
        width: 100%;
        height: 100% !important;
    }
    /* 左边轮播按钮 */
    .swiper-button-prev {
        width: 40px !important;
        height: 40px !important;
        left: 10px !important;
        border-radius: 50%;
    }
    .swiper-button-prev::after {
        font-size: 15px !important;
    }
    /* 右边轮播按钮 */
    .swiper-button-next {
        width: 40px !important;
        height: 40px !important;
        right: 10px !important;
        border-radius: 50%;
    }
    .swiper-button-next::after {
        font-size: 15px !important;
    }
    /* 轮播下方图例 */
    .swiper-pagination {
        bottom: 10px !important;
    }

    .banner_Box {
        width: 80%;
        height: 35%;
        top: 7%;
        left: 50%;
        transform: translateX(-50%);
        justify-content: space-evenly;
    }

    .banner_Box2 {
        width: 80%;
        height: 35%;
        top: 7%;
        left: 50%;
        transform: translateX(-50%);
        justify-content: space-evenly;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .banner_Box3 {
        width: 80%;
        height: 35%;
        top: 7%;
        left: 50%;
        transform: translateX(-50%);
        justify-content: space-evenly;
    }

    .banner_txt4 {
        font-size: 24px !important;
    }

    .banner_txt5 {
        font-size: 16px !important;
        line-height: 1.4;
        margin-top: 10px;
    }

    .banner_txt6 {
        font-size: 12px !important;
        margin-top: 10px;
        white-space: nowrap;
    }
    .con2_1 {
        width: 100%;
    }
    .con4_1 {
        width: 100%;
    }
    .banner_txt2 {
        margin-top: 15px;
    }
    .zhihuijiaoyu_txt3 {
        margin-top: 15px;
        width: 100px;
        height: 25px;
        line-height: 25px;
    }
    .zhihuijiaoyu_txt4 {
        line-height: 25px;
        margin-top: 15px;
    }
    .sanjiao {
        border: 12px solid transparent;
        border-right-color: #00d1b2;
    }
    .sanjiao_con {
        width: 80px;
        height: 25px;
        line-height: 25px;
        text-align: center;
        background: #00d1b2;
        font-size: var(--fontsize6);
    }
}
@media (max-width: 768px) {
    .productitem1,
    .productitem2 {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 60px;
    }
    .productitem1-left,
    .productitem1-right,
    .productitem2-left,
    .productitem2-right {
        flex: 0 0 100%;
        width: 90%;
        align-items: center;
        text-align: center;
    }
    /* 移动端强制把文字放到图片下面 */
    .productitem2 {
        flex-direction: column-reverse;
    }

    .feature-list {
        justify-content: center;
    }
    .typing-text {
        font-size: 14px;
        top: 13%;
        left: 8%;
    }
    .typing-text2 {
        font-size: 14px;
    }
    .typing-text3 {
        font-size: 14px;
    }
    .typing-text4 {
        font-size: 14px;
    }
    .source-file {
        flex: 0 0 10% !important;
        max-width: 50px;
    }
    .target-result {
        flex: 0 0 60% !important;
        max-width: 400px;
    }
}