/*20260307*/
.head-web{display:block;position: absolute; top: 14px; right: 12%;}
.head-web ul{display:flex;gap: 15px; }
.head-web ul li{list-style: none;}
.head-web ul li a{white-space: nowrap;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.2);  
    /*background: #c00a27;*/
    border-radius: 20px;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);  
    
}


.head-web ul li a:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.head-web ul li a.active {
    background: #ffffff;
    color: #1a1a1a;  
}
.section-header {
    text-align: center;
    margin-bottom: 3%;
}
.section-header h2 {
    font-size: 2.3rem;
    color: #c00a27;
    line-height: 1.6;
    margin-bottom: 10px;
}
/* --- 基础容器 --- */
.hero.home-banner {
    position: relative;
    width: 100%;
    min-height: 400px;
    background-color: #182339;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* --- 背景图全覆盖处理 --- */
.banner-bg-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    text-align: center;
}

.banner-bg-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* PC端让地球在右边 */
    object-position: right center;
    
}

/* --- 文字层设计 --- */
.inner-text {
    position: relative;
    z-index: 2;
    width: 100%;
    /* 核心：制造一个从左到右的深色遮罩，为文字提供清晰底色 */
    background: linear-gradient(90deg, #182339 25%, rgba(24, 35, 57, 0.6) 60%, rgba(24, 35, 57, 0) 100%);
}

.content-box {
    max-width: 1000px;
    padding: 80px 0;
    color: #fff;
}

.title-text {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 30px ;
    border-left: 6px solid #c00a27; /* 主色调红色 */
    padding-left: 20px;
}

.desc-text {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px ;
}

.banner-contact p,.banner-contact a {
    font-size: 18px;
    font-weight: 500;
    color: #fff;
}

/* ------------------------------------------------ */


    /* 核心能力模块容器 */
.pv-capabilities-section {
    background: #f9f9f9 ; 
    padding-bottom:6%;
}

/* 模块标题样式 */
.pv-section-header {
     
}

.pv-header-line {
    width: 60px;
    height: 4px;
    background:#c00a27;
    margin: 0 auto;
}

/* 能力卡片网格 */
.pv-cap-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.pv-cap-card {
    display: flex;
    align-items: flex-start;
    background: #ffffff;
    border: 1px solid #f2f2f2;
    padding: 50px 40px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05); /* 比九宫格更深一点的投影，凸显核心地位 */
    transition: all 0.4s ease;
}

.pv-cap-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border-color: #c00a27;
}

/* 图标样式 */
.pv-cap-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    margin-right: 20px;
    color: #2c3e50;
}

.pv-cap-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
    line-height: 1.3;
}

.pv-cap-content p {
    font-size: 18px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}



.pv-premium-section {
    
    padding-bottom: 6%;
}

.pv-grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
 
    margin: 0 auto;
}

/* 卡片样式：厚重且干净 */
.pv-card-item {
    background: #ffffff;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    padding: 25px 15px;
    text-align: center;
    border-top: 4px solid #c00a27;
    /* 极致轻柔的投影 */
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.pv-card-item:hover {
    transform: translateY(-10px);
    border-color: #c00a27;
    /* 悬停时增强阴影深度 */
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

/* 图标容器：3.0 线条量感 */
.pv-icon-holder {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    color: #2c3e50; /* 工业深灰蓝，比纯黑更有质感 */
    transition: all 0.4s ease;
}

.pv-card-item:hover .pv-icon-holder {
    color: #c00a27;
    transform: scale(1.08);
}

/* 文本处理 */
.pv-card-item h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 18px;
    line-height: 1.2;
}

.pv-card-item p {
    font-size: 18px;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

 
/* --- 手机端沉浸式方案 (Mobile Adaptive) --- */
@media (max-width: 992px) {
    .pv-cap-grid { grid-template-columns: 1fr; }
    .pv-cap-card { padding: 20px; }
    .pv-cap-icon{margin-right:10px}
}
@media (max-width: 768px) {
    .hero.home-banner {
        /* 手机端高度不再限制，由内容撑开，但背景图依然铺满 */
        height: auto;
        /*min-height: 100vh; */
        display: block;
    }

    .banner-bg-wrap {
        /* 关键：背景图固定在容器内，并随文字增多而拉伸 */
        position: absolute;
        height: 100%; 
    }

    .banner-bg-wrap img {
        /* 手机端微调图片位置，确保地球光芒在右上角作为点缀 */
        /*object-position: 80% top;*/
        max-width: 100%;
    }

    .inner-text {
        /* 手机端遮罩改为从下往上的深蓝色渐变，确保底部文字不会消失在强光里 */
        background: linear-gradient(to bottom, rgba(24, 35, 57, 0.4) 0%, rgba(24, 35, 57, 0.6) 30%);
        /*min-height: 100vh;*/
        display: flex;
        align-items: center;
    }

    .content-box {
        padding: 50px 0px 50px 0px; /* 增加顶部间距，避开地球最亮的部分 */
    }

    .title-text {
        font-size: 22px;
        margin-bottom: 20px !important;
    }

    .desc-text {
        font-size: 18px;
        line-height: 1.6;
        margin-bottom: 20px !important;
         
    }
    .pv-grid-layout { grid-template-columns: repeat(2, 1fr); } 
}

@media (max-width: 650px) { .pv-grid-layout { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
    .pv-cap-card{
        flex-direction: column;
        align-items: center;
    }
}
 



/* About Section */
.about {background: #f9f9f9 ; padding-bottom:6%}
.about-name{
    font-size: 2.3rem;
    color: #c00a27;
    margin-bottom: 20px;
    border-bottom: 1px #ddd solid;
}
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.3rem;
    color: #c00a27;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
}

.about-img {
    height: 100%;
}
 
.about-img img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    height: 100%;
    object-fit: cover;
}

.about-img .video{
    width: 100%;
}
.about .btn {
    display: inline-block;
    background-color: #c00a27;
    color: #fff;
    padding: 8px 15px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 14px;
    letter-spacing: 1px;
    white-space: nowrap;
}

.about .btn:hover {
    background-color: #8b0000;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}