body {
    background: RGBA(247, 249, 250, 1);
}

.drone-cooperation-section .drone-coop-top-nav-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #ffffff;
    border: 1px solid #dcdcdc;
    padding: 6px;
    border-radius: 4px;
}

.drone-cooperation-section .drone-coop-nav-item {
    padding: 12px 24px;
    font-size: 14px;
    color: #333333;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    border-radius: 4px;
    transition: all 0.25s ease;
}

.drone-cooperation-section .drone-coop-nav-item.drone-coop-nav-active {
    background-color: #1a1a1a;
    color: #ffffff;
}

.drone-cooperation-section .drone-coop-anchor-block {
    width: 100%;
    /* overflow: hidden; */
}

.drone-cooperation-section .drone-bg-panel-container {
    padding: 65px 0 120px;
    display: block;
}

.drone-cooperation-section .drone-bg-main-title {
    color: #111111;
    font-weight: bold;
    text-align: center;
}

.drone-cooperation-section .drone-bg-circle-layout-box {
    margin-top: 50px;
    position: relative;
}

.drone-cooperation-section .drone-bg-rotating-track {
    margin: 0 auto;
    z-index: 1;
    position: relative;
    width: 59.71%;
    aspect-ratio: 1/1;
}

.drone-cooperation-section .drone-bg-axis-circle-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* border: 1px solid #e5eaf0; */
    border-radius: 50%;
    animation: droneOrbitRotation 12s linear infinite;
}

.drone-cooperation-section .drone-bg-axis-circle-line img {
    display: block;
    width: 100%;
}

.drone-cooperation-section .drone-bg-orbit-satellite-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 21px;
    height: 21px;
    background: #0078FF;
    border-radius: 50%;
    z-index: 2;
}

@keyframes droneOrbitRotation {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}


.drone-cooperation-section .drone-bg-center-media-box {
    position: absolute;
    top: 50%;
    left: 45%;
    transform: translate(-50%, -50%);
    width: 440px;
    height: 310px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    z-index: 3;
}

.drone-cooperation-section .drone-bg-center-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transform: scale(.7595);
    border-radius: 50%;
    transition: all 0.5s;
}

.drone-cooperation-section .drone-bg-center-img:hover {
    transform: scale(.77);
}

.drone-cooperation-section .drone-bg-info-card {
    position: absolute;
    z-index: 5;
    background: #FFFFFF;
    border-radius: 10px;
    padding: 36px 40px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.03);
    display: block;
}

.drone-cooperation-section .drone-bg-card-title {
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 30px;
}

.drone-cooperation-section .drone-bg-card-paragraph {
    margin-top: 20px;
    font-weight: 400;
    font-size: 16px;
    color: #999999;
    line-height: 30px;
}

/* 卡片边缘用于视觉承接的静态圆点（保持不动） */
.drone-cooperation-section .drone-bg-node-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #0066ff;
    border: 2px solid #ffffff;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 102, 255, 0.3);
    z-index: 6;
}

/* 四大节点绝对物理定位坐标 */
.drone-cooperation-section .drone-pos-left-policy {
    left: 0;
    top: 32%;
    width: 28.57%;
}

.drone-cooperation-section .drone-pos-left-policy .drone-bg-node-dot {
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
}

.drone-cooperation-section .drone-pos-bottom-policy {
    right: 15.78%;
    bottom: 16px;
    width: 41.42%;
}

.drone-cooperation-section .drone-pos-bottom-policy .drone-bg-node-dot {
    left: 50%;
    top: -24px;
    transform: translateX(-50%);
}

.drone-cooperation-section .drone-pos-right-direction {
    right: 0;
    top: 18%;
    width: 35.14%;
}

.drone-cooperation-section .drone-bg-info-card:hover,
.drone-cooperation-section .drone-bg-info-card.drone-card-highlight-blue {
    background: linear-gradient(135deg, #1e7bf2 0%, #005cd6 100%);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.22);
}

.drone-cooperation-section .drone-bg-info-card:hover .drone-bg-card-paragraph,
.drone-cooperation-section .drone-bg-info-card:hover .drone-bg-card-title,
.drone-cooperation-section .drone-card-highlight-blue .drone-bg-card-title,
.drone-cooperation-section .drone-card-highlight-blue .drone-bg-card-paragraph {
    color: #ffffff;
}

/* .drone-cooperation-section .drone-card-highlight-blue .drone-bg-node-dot {
    left: -22px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #ffffff;
    border-color: #0066ff;
} */

.drone-project-intro-section {
    padding: 120px 0;
    background: url(../img/drone-project-intro-section-bg.jpg);
    background-size: cover;
}

.drone-project-intro-section .drone-project-intro-container {
    display: block;
}


.drone-project-intro-section .drone-project-main-title {
    color: #111111;
    font-weight: bold;
    text-align: center;
}


.drone-project-intro-section .drone-project-sub-title {
    margin-top: 24px;
    font-weight: bold;
    font-size: 18px;
    line-height: 30px;
    color: #0078FF;
    text-align: center;
}


.drone-project-intro-section .drone-project-content-row {
    margin-top: 55px;
    display: flex;
    justify-content: space-between;
    /* align-items: stretch; */
    width: 100%;
}

.drone-project-intro-section .drone-project-left-tabs {
    width: 54.28%;
}

.drone-project-intro-section .drone-project-right-gallery {
    width: 44.42%;
    position: relative;
}

.drone-project-intro-section .drone-project-tab-item {
    background-color: #ffffff;
    border-radius: 10px;
    padding: 29px 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.015);
    cursor: pointer;
    transition: background-color 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

.drone-project-intro-section .drone-project-tab-title {
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 30px;
    transition: color 0.3s ease;
}

.drone-project-intro-section .drone-project-tab-paragraph {
    margin-top: 15px;
    font-weight: 400;
    font-size: 16px;
    color: #222222;
    line-height: 30px;
    transition: color 0.3s ease;
}

.drone-project-intro-section .drone-project-tab-item:not(:last-child) {
    margin-bottom: 10px
}

.drone-project-intro-section .drone-project-tab-item.drone-tab-item-active {
    background-color: rgba(0, 120, 255, 1);
    box-shadow: 5px 9px 30px 0px rgba(0, 120, 255, 0.3);
}

.drone-project-intro-section .drone-project-tab-item.drone-tab-item-active .drone-project-tab-title,
.drone-project-intro-section .drone-project-tab-item.drone-tab-item-active .drone-project-tab-paragraph {
    color: #ffffff;
}

.drone-project-intro-section .drone-project-image-pane {
    display: none;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.05);
}

.drone-project-intro-section .drone-project-image-pane.drone-pane-show {
    display: block;
    animation: dronePaneFadeIn 0.6s ease forwards;
}

.drone-project-intro-section .drone-project-view-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

@keyframes dronePaneFadeIn {
    from {
        opacity: 0;
        transform: scale(0.99);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.drone-coop-content-section {
    background-color: #ffffff;
    padding: 120px 0;
}

.drone-coop-content-section .drone-coop-content-main-title {
    color: #111111;
    font-weight: bold;
    text-align: center;
}

.drone-coop-content-section .drone-coop-content-card-row {
    margin-top: 55px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
    gap: 26px;
    width: 100%;
}

.drone-coop-content-section .drone-coop-item-split-card {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
}

.drone-coop-content-section .drone-coop-media-side {
    aspect-ratio: 1/1;
    overflow: hidden;
    background-color: #f1f5f9;
    border-radius: 10px;
}

.drone-coop-content-section .drone-coop-thumb-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.drone-coop-content-section .drone-coop-text-side {
    background: #F7F9FA;
    border-radius: 10px;
    padding: 45px 35px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    aspect-ratio: 1/1;
}

.drone-coop-content-section .drone-coop-cell-title {
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 30px;
}

.drone-coop-content-section .drone-coop-cell-paragraph {
    margin-top: 22px;
    font-weight: 400;
    font-size: 16px;
    line-height: 30px;
    color: #666666;
    flex: 1;
    flex-shrink: 0;
    overflow: auto;
}


.drone-project-advantage-section {
    padding: 110px 0 120px;
}

.drone-project-advantage-section .drone-adv-main-title {
    color: #222222;
    font-weight: bold;
    text-align: center;
}

.drone-project-advantage-section .drone-adv-content-row {
    margin-top: 55px;
    /* 使用 margin-top 推开标题 */
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    /* 顶部对齐 */
    width: 100%;
}

/* 左侧大图容器（宽度约 45%） */
.drone-project-advantage-section .drone-adv-left-media {
    width: 43.57%;
}

.drone-project-advantage-section .drone-adv-image-box {
    width: 100%;
    height: 480px;
    /* 严格锁定的竖向矩形比例高度 */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.drone-project-advantage-section .drone-adv-large-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.drone-project-advantage-section .drone-adv-right-list {
    width: 54.28%;
}

.drone-project-advantage-section .drone-adv-list-item {
    width: 100%;
    background: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    transition: box-shadow 0.3s ease;
    padding: 20px 35px;
    cursor: pointer;
}

.drone-project-advantage-section .drone-adv-list-item:not(:last-child) {
    margin-bottom: 10px;
}

.drone-project-advantage-section .drone-adv-list-item.drone-adv-active {
    box-shadow: 0 8px 20px rgba(0, 102, 255, 0.08);
}

.drone-project-advantage-section .drone-adv-item-header {
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 30px;
    transition: all .3s;
}

.drone-project-advantage-section .drone-adv-list-item:hover .drone-adv-item-header,
.drone-project-advantage-section .drone-adv-list-item.drone-adv-active .drone-adv-item-header {
    background-color: #fdfdfd;
    color: #0066ff;
}

.drone-project-advantage-section .drone-adv-num {
    padding-right: 15px;
}

.drone-project-advantage-section .drone-adv-item-body {
    display: none;
    margin-top: 10px;
}

.drone-project-advantage-section .drone-adv-desc-paragraph {
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 30px;
}

.drone-training-center-section {
    background-color: #ffffff;
    padding: 120px 0 100px;
}

.drone-training-center-section .drone-training-main-title {
    color: rgba(34, 34, 34, 1);
    font-weight: bold;
    text-align: center;
}

.drone-training-center-section .drone-training-needs-row {
    margin-top: 50px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    width: 100%;
}

.drone-training-center-section .drone-training-need-card {
    background-color: #f8fafc;
    border-radius: 10px;
    padding: 30px 40px 40px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.drone-training-center-section .drone-training-need-num {
    width: 44px;
    height: 44px;
    background: #E8EBEC;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #999999;
    transition: all 0.3s ease;
}

.drone-training-center-section .drone-training-need-title {
    margin-top: 29px;
    font-weight: bold;
    font-size: 18px;
    line-height: 30px;
    color: #222222;
    transition: color 0.3s ease;
}

.drone-training-center-section .drone-training-need-desc {
    margin-top: 22px;
    font-weight: 400;
    font-size: 16px;
    color: #999999;
    line-height: 30px;
    transition: color 0.3s ease;
}

.drone-training-center-section .drone-training-need-card.drone-need-active,
.drone-training-center-section .drone-training-need-card:hover {
    background-color: rgba(0, 120, 255, 1);
    box-shadow: 5px 9px 30px 0px rgba(0, 120, 255, 0.3);
    transform: translateY(-5px);
}

.drone-training-center-section .drone-training-need-card.drone-need-active .drone-training-need-num,
.drone-training-center-section .drone-training-need-card:hover .drone-training-need-num {
    color: rgba(0, 120, 255, 1);
}

.drone-training-center-section .drone-training-need-card.drone-need-active .drone-training-need-title,
.drone-training-center-section .drone-training-need-card:hover .drone-training-need-title,
.drone-training-center-section .drone-training-need-card.drone-need-active .drone-training-need-desc,
.drone-training-center-section .drone-training-need-card:hover .drone-training-need-desc {
    color: #ffffff;
}

.drone-training-center-section .drone-build-swiper-block,
.drone-training-center-section .drone-case-swiper-block {
    margin-top: 80px;
    width: 100%;
}

.drone-training-center-section .drone-block-sub-title {
    font-weight: 400;
    font-size: 24px;
    color: #222222;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.drone-training-center-section .drone-build-swiper-container,
.drone-training-center-section .drone-case-swiper-container {
    width: 100%;
    overflow: hidden;
}

.drone-training-center-section .swiper-slide {
    width: 23.57%;
    background: #F7F9FA;
    border-radius: 10px;
    padding: 10px 10px 0;
}

.drone-training-center-section .swiper-slide:not(:last-child) {
    margin-right: 1.9%;
}

.drone-training-center-section .drone-build-img-box,
.drone-training-center-section .drone-case-img-box {
    width: 100%;
    aspect-ratio: 310/260;
    border-radius: 10px;
    overflow: hidden;
}

.drone-training-center-section .drone-build-img,
.drone-training-center-section .drone-case-img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.drone-training-center-section .drone-build-slide:hover .drone-build-img,
.drone-training-center-section .drone-case-slide:hover .drone-case-img {
    transform: scale(1.05);
}

.drone-training-center-section .drone-build-text,
.drone-training-center-section .drone-case-text {
    font-weight: bold;
    font-size: 18px;
    line-height: 30px;
    color: #222222;
    text-align: center;
    padding: 15px 10px;
    transition: all .4s;
}

.drone-training-center-section .swiper-slide:hover .drone-build-text,
.drone-training-center-section .swiper-slide:hover .drone-case-text {
    color: rgba(0, 120, 255, 1);
}

.drone-service-content-section {
    /* background-color: #f8fafc; */
    padding: 110px 0 85px;
}

.drone-service-content-section .drone-service-main-title {
    color: #111111;
    font-weight: bold;
    text-align: center;
}

.drone-service-content-section .drone-service-card-row {
    margin-top: 38px;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 30px 110px;
    padding: 0 54px;
}

.drone-service-content-section .drone-service-card {
    position: relative;
    border-radius: 120px;
    padding: 28px 28px 58px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.drone-service-content-section .drone-service-card:before{
    position:absolute;
    content:"";
    left:2px;
    top:2px;
    right:2px;
    bottom:2px;
    background:#fff;
    border-radius:120px;
}
.drone-service-content-section .drone-service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.drone-service-content-section .drone-service-icon-wrap {
    width: 150px;
    aspect-ratio: 1/1;
    max-width: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    z-index: 3;
}

.drone-service-content-section .drone-service-icon-img {
    max-width: 50%;
    max-height: 50%;
}

.drone-service-content-section .drone-service-card-title {
    margin-top: 30px;
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 30px;
    position: relative;
    z-index: 3;
}

.drone-training-center-section .drone-swiper-nav-bar {
    margin-top: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.drone-training-center-section .drone-nav-btn {
    width: 35px;
    height: 35px;
    background: #EBEBEB;
    border-radius: 50%;
    color: rgba(0, 120, 255, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
    transition: all 0.25s ease;
}

.drone-training-center-section .drone-nav-btn.swiper-button-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.drone-training-center-section .drone-nav-btn:not(.swiper-button-disabled):hover {
    background-color: #0077ff;
    border-color: #0077ff;
    color: #ffffff;
}

.drone-training-center-section .swiper-pagination-progressbar {
    position: relative;
    flex: 1;
    bottom: 0;
    margin-left: 19px;
    height: 4px;
    background: #F7F9FA;
    border-radius: 2px;
}

.drone-training-center-section .swiper-pagination-progressbar .swiper-pagination-progressbar-fill {
    background: #0078FF;
    border-radius: 2px;
}
.drone-case-section{
    background-color: #fff;
    padding: 150px 0 120px;
}
@media (max-width:1440px){
    .drone-service-content-section .drone-service-card-row{
        padding: 0;
    }
}
@media (max-width:1280px){
    .drone-service-content-section .drone-service-card-row{
        gap:30px 70px;
    }
}
@media (max-width: 1199px) {
    /* 1. 项目背景 */
    .drone-cooperation-section .drone-bg-panel-container {
        padding: 50px 0 80px;
    }
    .drone-cooperation-section .drone-bg-info-card {
        padding: 24px 30px;
    }
    .drone-cooperation-section .drone-bg-card-paragraph {
        margin-top: 12px;
        line-height: 24px;
        font-size: 15px;
    }

    /* 2. 项目介绍 */
    .drone-project-intro-section {
        padding: 80px 0;
    }
    .drone-project-intro-section .drone-project-content-row {
        margin-top: 40px;
    }

    /* 3. 合作内容 */
    .drone-coop-content-section {
        padding: 80px 0;
    }
    .drone-coop-content-section .drone-coop-content-card-row {
        margin-top: 45px;
        gap: 20px;
    }
    .drone-coop-content-section .drone-coop-item-split-card {
        gap: 20px;
    }
    .drone-coop-content-section .drone-coop-text-side {
        padding: 30px 20px;
    }

    /* 4. 项目优势 */
    .drone-project-advantage-section {
        padding: 80px 0 90px;
    }
    .drone-project-advantage-section .drone-adv-content-row {
        margin-top: 40px;
    }
    .drone-project-advantage-section .drone-adv-image-box {
        height: 420px; /* 缩减图片盒高度 */
    }

    /* 5. 实训中心 */
    .drone-training-center-section {
        padding: 80px 0 70px;
    }
    .drone-training-center-section .drone-training-needs-row {
        margin-top: 45px;
    }
    .drone-training-center-section .drone-training-need-card {
        padding: 25px 30px 30px;
    }
    .drone-training-center-section .drone-build-swiper-block, 
    .drone-training-center-section .drone-case-swiper-block {
        margin-top: 70px;
    }

    /* 6. 专业共建 */
    .drone-service-content-section {
        padding: 80px 0 60px;
    }
    .drone-service-content-section .drone-service-card-row {
        margin-top: 30px;
        gap: 30px 40px; /* 缩减超宽间隙 */
        /* padding: 0 30px; */
    }

    /* 7. 合作案例 */
    .drone-coop-anchor-block .drone-case-section {
        padding: 80px 0;
    }
    .drone-cooperation-section .drone-bg-circle-layout-box{
        margin-top:45px;
    }
}

@media (max-width: 1024px) {
    .drone-coop-anchor-block .drone-case-section {
        padding: 70px 0;
    }
    .drone-training-center-section .drone-build-swiper-block, 
    .drone-training-center-section .drone-case-swiper-block {
        margin-top: 60px;
    }
    /* 1. 旋转星环背景由于宽度被压缩，转换为简洁大气的垂直卡片平铺 */
    .drone-cooperation-section .drone-bg-rotating-track {
        display: none; /* 隐藏难以自适应的绝对星环图线 */
    }
    .drone-cooperation-section .drone-bg-circle-layout-box {
        margin-top: 40px;
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .drone-cooperation-section .drone-bg-info-card {
        position: static !important; /* 解除 absolute 锁定 */
        width: 100% !important;
        padding: 25px;
    }

    /* 2. 项目介绍左右转为上下结构 */
    .drone-project-intro-section {
        padding: 70px 0;
    }
    .drone-project-intro-section .drone-project-content-row {
        flex-direction: column;
        gap: 30px;
    }
    .drone-project-intro-section .drone-project-left-tabs,
    .drone-project-intro-section .drone-project-right-gallery {
        width: 100% !important;
    }
    .drone-project-intro-section .drone-project-right-gallery {
        aspect-ratio: 16/9; /* 给定右侧图层展示比 */
    }

    /* 3. 合作内容 2x2 网格退化为 1 列 */
    .drone-coop-content-section {
        padding: 70px 0;
    }
    .drone-coop-content-section .drone-coop-content-card-row {
        grid-template-columns: 1fr;
        margin-top: 40px;
    }

    /* 4. 项目优势转为上下结构 */
    .drone-project-advantage-section {
        padding: 70px 0 80px;
    }
    .drone-project-advantage-section .drone-adv-content-row {
        flex-direction: column;
        gap: 30px;
    }
    .drone-project-advantage-section .drone-adv-left-media,
    .drone-project-advantage-section .drone-adv-right-list {
        width: 100% !important;
    }
    .drone-project-advantage-section .drone-adv-image-box {
        height: 350px;
    }

    /* 5. 实训中心网格与滑块宽度调整 */
    .drone-training-center-section {
        padding: 70px 0 60px;
    }
    .drone-training-center-section .drone-training-needs-row {
        grid-template-columns: repeat(2, 1fr); /* 3列转为2列 */
        margin-top: 40px;
    }
    .drone-training-center-section .swiper-slide {
        width: 31%; /* 大致显示3个 */
    }

    /* 6. 专业共建 */
    .drone-service-content-section {
        padding: 70px 0 50px;
    }
    .drone-service-content-section .drone-service-card-row {
        grid-template-columns: repeat(2, 1fr); /* 4列转为2列 */
        padding: 0 15px;
    }
    .drone-cooperation-section .drone-bg-panel-container {
        padding: 50px 0 70px;
    }
}

@media (max-width: 768px) {
    .drone-coop-anchor-block .drone-case-section {
        padding: 60px 0;
    }
    .drone-service-content-section .drone-service-icon-wrap{
        width:110px;
    }
    .drone-training-center-section .drone-build-swiper-block, 
    .drone-training-center-section .drone-case-swiper-block {
        margin-top: 50px;
    }
    .drone-coop-content-section .drone-coop-content-card-row,
    .drone-cooperation-section .drone-bg-circle-layout-box{
        margin-top:30px;
    }
    /* 1. 项目背景 */
    .drone-cooperation-section .drone-bg-panel-container {
        padding: 40px 0 60px;
    }
    .drone-cooperation-section .drone-bg-card-title {
        font-size: 16px;
    }
    .drone-cooperation-section .drone-bg-card-paragraph {
        font-size: 14px;
        line-height: 22px;
    }

    /* 2. 项目介绍 */
    .drone-project-intro-section {
        padding: 60px 0;
    }
    .drone-project-intro-section .drone-project-sub-title {
        font-size: 16px;
        line-height: 26px;
        margin-top: 15px;
    }
    .drone-project-intro-section .drone-project-tab-item {
        padding: 20px 25px;
    }

    /* 3. 合作内容卡片内部（左右结构）在移动端也转换为上下结构 */
    .drone-coop-content-section {
        padding: 60px 0;
    }
    .drone-coop-content-section .drone-coop-item-split-card {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    .drone-coop-content-section .drone-coop-text-side {
        padding: 25px 20px;
        height: auto;
        aspect-ratio: auto;
    }
    .drone-coop-content-section .drone-coop-media-side {
        aspect-ratio: 16/9;
    }
    .drone-coop-content-section .drone-coop-item-split-card:nth-child(4n),
   .drone-coop-content-section .drone-coop-item-split-card:nth-child(4n-1){
       display:flex;
        flex-direction: column-reverse;
   }

    /* 4. 项目优势 */
    .drone-project-advantage-section {
        padding: 60px 0 70px;
    }
    .drone-project-advantage-section .drone-adv-list-item {
        padding: 15px 25px;
    }

    /* 5. 实训中心 */
    .drone-training-center-section {
        padding: 60px 0 50px;
    }
    .drone-training-center-section .drone-training-needs-row {
        grid-template-columns: 1fr; /* 转换为单列 */
        gap: 15px;
        margin-top: 30px;
    }
    .drone-training-center-section .swiper-slide {
        width: 45%; /* 大致显示2个 */
    }

    /* 6. 专业共建 */
    .drone-service-content-section {
        padding: 60px 0 40px;
    }
    .drone-training-center-section .drone-block-sub-title{
        margin-top:22px;
    }
}

@media (max-width: 500px) {
    .drone-coop-anchor-block .drone-case-section {
        padding: 50px 0;
    }
    .drone-service-content-section .drone-service-card-title{
        margin-top:20px;
        font-size:16px;
        line-height:24px;
    }
    .drone-service-content-section .drone-service-icon-wrap{
        width:80px;
    }
    .drone-training-center-section .drone-build-swiper-block, 
    .drone-training-center-section .drone-case-swiper-block {
        margin-top: 40px;
    }
    .drone-training-center-section .drone-training-need-desc{
        margin-top: 10px;
    }
    .drone-training-center-section .drone-training-needs-row {
        margin-top:25px;
    }
    .drone-coop-content-section .drone-coop-content-card-row,
    .drone-cooperation-section .drone-bg-circle-layout-box{
        margin-top:25px;
    }
    .drone-cooperation-section .drone-bg-panel-container {
        padding: 40px 0 50px;
    }
    /* 2. 项目介绍 */
    .drone-project-intro-section {
        padding: 50px 0;
    }
    .drone-project-intro-section .drone-project-content-row {
        margin-top: 30px;
    }

    /* 3. 合作内容 */
    .drone-coop-content-section {
        padding: 50px 0;
    }

    /* 4. 项目优势 */
    .drone-project-advantage-section {
        padding: 50px 0;
    }
    .drone-project-advantage-section .drone-adv-image-box {
        height: 240px;
    }

    /* 5. 实训中心 */
    .drone-training-center-section {
        padding: 50px 0 40px;
    }
    .drone-training-center-section .drone-training-need-card {
        padding: 20px 15px 25px;
    }
    .drone-training-center-section .drone-training-need-title {
        /* font-size: 16px; */
        margin-top: 15px;
    }
    .drone-training-center-section .drone-block-sub-title {
        font-size: 20px;
    }
    .drone-training-center-section .swiper-slide {
        width: 75%; /* 显示单张聚焦卡片 */
    }

    /* 6. 专业共建 */
    .drone-service-content-section {
        padding: 50px 0 30px;
    }
    .drone-service-content-section .drone-service-card-row {
        /* grid-template-columns: 1fr; */ /* 转换为单列 */
        gap: 20px 40px;
    }
    .drone-service-content-section .drone-service-card {
        padding: 20px 20px 40px;
        min-height: 224px;
    }
}