/* 基础重置 */
.design-page-v3 { background-color: #f7f9fc; }
.tp30 { margin-top: 30px; }
.mb30 { margin-bottom: 30px; }

/* 统一的大框容器样式 */
.section-card {
    background: #fff;
    border: 1px solid #eef1f6;
    border-radius: 4px; /* 较小的圆角更显庄重 */
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0,33,64,0.02);
}

/* 统一的标题样式 */
.card-header { margin-bottom: 30px; }
.card-header h2 { font-size: 24px; color: #002140; font-weight: bold; border-left: 5px solid #1677ff; padding-left: 15px; line-height: 1.2; }
.card-header h2 span { display: block; font-size: 13px; color: #99aabc; margin-top: 6px; font-weight: normal; text-transform: uppercase; letter-spacing: 1px; }

/* 中心定位内容布局 */
.vision-content { display: flex; align-items: center; gap: 40px; }
.vision-text { flex: 1.2; font-size: 15px; color: #5c6b77; line-height: 2; }
.vision-img { flex: 0.8; height: 240px; overflow: hidden; border-radius: 4px; }
.vision-img img { width: 100%; height: 100%; object-fit: cover; }

/* 业务板块布局：在大框内平铺 */
.biz-grid-v3 { display: flex; gap: 20px; }
.biz-box { flex: 1; padding: 25px; background: #fbfcfe; border: 1px solid #f0f3f7; transition: 0.3s; }
.biz-box:hover { border-color: #1677ff; background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.biz-no { font-size: 32px; font-weight: bold; color: #e6f1ff; margin-bottom: 10px; line-height: 1; }
.biz-box h4 { font-size: 17px; color: #002140; margin-bottom: 12px; }
.biz-box p { font-size: 14px; color: #8c8c8c; line-height: 1.6; margin: 0; }

/* 科研环境列表 */
.env-list-v3 { display: flex; gap: 40px; }
.env-item { flex: 1; }
.env-item h5 { font-size: 16px; color: #002140; margin-bottom: 12px; padding-bottom: 10px; border-bottom: 2px solid #1677ff; display: inline-block; }
.env-item p { font-size: 14px; color: #667c92; line-height: 1.8; margin: 0; }

/* 战略合作布局 */
.partner-wall-v3 { }
.partner-row { margin-bottom: 20px; display: flex; align-items: flex-start; }
.partner-row:last-child { margin-bottom: 0; }
.partner-row label { width: 100px; color: #99aabc; font-size: 13px; padding-top: 10px; flex-shrink: 0; }
.p-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.p-tags span { background: #f5f7fa; color: #4e5969; padding: 8px 18px; font-size: 14px; border-radius: 2px; border: 1px solid #e5e6eb; transition: 0.3s; }
.p-tags span:hover { background: #1677ff; color: #fff; border-color: #1677ff; }

/* Banner 专用 */
.elite-banner { width: 1200px; height: 360px; background: url('../images/page_ban_uav.jpg') no-repeat center/cover; border-radius: 4px; overflow: hidden; position: relative; }

.banner-content { color: #fff; }
.v-line { width: 4px; height: 50px; background: #1677ff; position: absolute; left: -20px; top: 10px; }
.banner-content h1 { font-size: 36px; margin: 0; }
.banner-content h3 { font-size: 16px; opacity: 0.6; margin: 5px 0 20px 0; font-weight: normal; }
.banner-content p { font-size: 17px; max-width: 550px; line-height: 1.6; }
.banner-badges span { border: 1px solid rgba(255,255,255,0.4); padding: 3px 12px; border-radius: 2px; font-size: 12px; margin-right: 10px; background: rgba(255,255,255,0.1); }




/* 产品检验检测中心css */

/* --- 检测中心专属样式补充 --- */

/* Banner背景图切换 */
.test-banner {
    background: url('../images/page_ban_uav_test.jpg') no-repeat center/cover !important;
}

/* 实验室能力列表 - 区别于研发中心的方块，采用纵向条目交互 */
.test-ability-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.ability-item {
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: 0.3s;
}
.ability-item:hover {
    border-bottom-color: #1677ff;
}
.ability-title {
    font-size: 18px;
    font-weight: bold;
    color: #002140;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}
.ability-title i {
    font-style: normal;
    color: #1677ff;
    font-family: Arial;
    margin-right: 15px;
    font-size: 24px;
    opacity: 0.3;
}
.ability-desc {
    font-size: 14px;
    color: #7a8b9a;
    line-height: 1.6;
    padding-left: 45px;
}

/* 检测范围容器 */
.scope-container {
    display: flex;
    gap: 40px;
}
.scope-box {
    flex: 1;
    background: #f8f9fb;
    padding: 25px;
    border-radius: 4px;
}
.scope-box h4 {
    font-size: 16px;
    color: #002140;
    margin-bottom: 20px;
    border-left: 4px solid #1677ff;
    padding-left: 12px;
}
.scope-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.scope-tags span {
    background: #fff;
    border: 1px solid #e1e4e8;
    padding: 6px 15px;
    font-size: 13px;
    color: #5c6b77;
    border-radius: 2px;
}

/* 调整概况图大小，形成视觉差 */
.vision-img-small {
    flex: 0.6;
    height: 200px;
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid #eee;
}
.vision-img-small img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 产品检验检测中心css结束 */

/* --- 产品质量认证中心专用样式 --- */

/* --- 产品质量认证中心专用 CSS --- */

/* Banner 背景 */
.cert-banner {
    background: url('../images/page_ban_uav_cert.jpg') no-repeat center center;
    background-size: cover !important;
}

/* 交互布局 */
.cert-service-flex {
    display: flex;
    gap: 2px; /* 产生细微分割感 */
    background: #f0f2f5;
    border: 1px solid #eef1f6;
    border-radius: 4px;
    overflow: hidden;
}

/* 左侧导航 */
.cert-side-nav {
    width: 240px;
    background: #f8f9fb;
    flex-shrink: 0;
}

.side-nav-item {
    padding: 20px 25px;
    font-size: 15px;
    color: #4e5969;
    cursor: pointer;
    border-bottom: 1px solid #eef1f6;
    transition: all 0.3s;
    position: relative;
    background: #f8f9fb;
}

.side-nav-item:hover {
    background: #fff;
    color: #1677ff;
}

.side-nav-item.active {
    background: #fff;
    color: #1677ff;
    font-weight: bold;
}

.side-nav-item.active::after {
    content: "";
    width: 4px;
    height: 100%;
    background: #1677ff;
    position: absolute;
    left: 0;
    top: 0;
}

/* 右侧内容容器 */
.cert-main-content {
    flex: 1;
    background: #fff;
    min-height: 300px;
    position: relative;
}

/* 核心内容项：默认隐藏 */
.cert-content-item {
    display: none;
    padding: 40px;
    opacity: 0;
}

/* 激活状态内容：显示并触发动画 */
.cert-content-item.active {
    display: block;
    animation: certFadeIn 0.5s ease forwards;
}

@keyframes certFadeIn {
    from { opacity: 0; transform: translateX(10px); }
    to { opacity: 1; transform: translateX(0); }
}

.item-inner h4 {
    font-size: 22px;
    color: #002140;
    margin-bottom: 15px;
}

.item-inner p {
    font-size: 15px;
    color: #86909c;
    line-height: 1.8;
    margin-bottom: 25px;
}

.cert-sub-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.cert-sub-list li {
    font-size: 14px;
    color: #4e5969;
    padding-left: 24px;
    position: relative;
}

.cert-sub-list li::before {
    content: "√";
    position: absolute;
    left: 0;
    color: #1677ff;
    font-weight: bold;
}

/* 底部4格阵列 */
.cert-grid-v3 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.cert-box {
    padding: 25px;
    background: #f8f9fb;
    border: 1px solid #eef1f6;
    transition: 0.3s;
}

.cert-box:hover {
    border-color: #1677ff;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.cert-box h5 {
    font-size: 16px;
    color: #002140;
    margin-bottom: 10px;
}

.cert-box p {
    font-size: 13px;
    color: #86909c;
    line-height: 1.6;
    margin: 0;
}
}
/* --- 产品质量认证中心专用样式结束 --- */


/* --- 陆海低空试飞实验平台专用 CSS --- */

/* Banner 背景 */
.flight-banner {
    background: url('../images/page_ban_uav_flight.jpg') no-repeat center center;
    background-size: cover !important;
}

/* 试飞能力 3格布局样式 */
.flight-grid-v3 {
    display: flex;
    gap: 25px;
}

.flight-item {
    flex: 1;
    background: #f8f9fb;
    padding: 30px;
    border: 1px solid #eef1f6;
    transition: all 0.3s;
}

.flight-item:hover {
    background: #fff;
    border-color: #1677ff;
    box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}

.flight-item-top {
    margin-bottom: 20px;
}

.f-tag {
    display: inline-block;
    font-size: 11px;
    background: #1677ff;
    color: #fff;
    padding: 2px 8px;
    border-radius: 2px;
    margin-bottom: 10px;
}

.flight-item h4 {
    font-size: 18px;
    color: #002140;
    margin: 0;
}

.flight-item p {
    font-size: 14px;
    color: #86909c;
    line-height: 1.8;
}

/* --- 陆海低空试飞实验平台专用 CSS结束 --- */