/* --- Banner 容器样式 --- */
.index_banner {
    width: 100%;
    height: 100vh; /* 默认为全屏高度，可根据需要调整 */
    position: relative;
    overflow: hidden;
    background: #000;
}

/* 媒体资源（视频/图片）通用样式 */
.banner-media {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 保证铺满不留黑边 */
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}

/* --- 定制分页器 (Pagination) 样式 --- */
.index_banner .swiper-pagination {
    bottom: 30px !important; /* 距离底部的距离 */
    width: 100%;
    text-align: center;
    z-index: 10;
}

.index_banner .swiper-pagination-bullet {
    width: 35px;         /* 宽度 35px */
    height: 5px;         /* 高度 5px */
    background: #fff;    /* 白色 */
    opacity: 0.4;        /* 默认半透明 */
    border-radius: 0;    /* 方块 (无圆角) */
    margin: 0 6px !important; /* 间距 */
    transition: all 0.3s ease;
    display: inline-block;
    vertical-align: middle;
}

/* 激活状态的分页器 */
.index_banner .swiper-pagination-bullet-active {
    opacity: 1;          /* 激活时不透明 */
    background: #fff;
}

/* =========================================
   首页第二板块：Brand Introduction 样式
   ========================================= */
.index-about-section {
    position: relative;
    padding-left: 60px;
    padding-right: 60px;
    background-color: #f6f6f8; /* 保持干净的背景 */
    overflow: hidden;
}
.index-about-section .index-section-box{
position: absolute;
bottom: 0;left: 0;
width: 38vw;
height: 38vw;
  border-radius: 50%;
  background: linear-gradient(to right, #f6f6f8,#f6f6f8, #cdf4e2);
}
/* 上半部分：图文布局 */
.ia-top-row {
    display: flex;
    justify-content: space-between;
    gap: 25px;
    margin-bottom: 80px;
    align-items: stretch;
}

/* 左侧图片 */
.ia-left-img {
    flex: 0 0 45%;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
}

.ia-left-img img {
    width: 100%;
    object-fit: cover;
    display: block;
}

/* 右侧文字 */
.ia-right-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    gap: 25px;
}

.ia-right-text p {
    font-size: 20px;
    line-height: 1.4; /* 增加行高提升阅读体验 */
    color: #111;
    font-weight: 200;
}

/* 右下角的灰色装饰线 */
.ia-line {
    width: 200px;
    height: 4px;
    background-color: #c8c8c8;
    position: absolute;
    bottom: 0;
    right: 0;
    border-radius: 2px;
}

/* 下半部分：数据统计 */
.ia-stats-row {
    display: flex;
    justify-content: space-between;
    padding-top: 20px;
    position: relative;
    padding: 0 10vw;
}

.ia-stat-item {
    flex: 1;
    padding-right: 30px;
    position: relative;
}

/* 第一个数据项背后的淡绿色光晕装饰 */
.ia-stat-item.first::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(200, 245, 220, 0.6) 0%, rgba(255, 255, 255, 0) 70%);
    top: -80px;
    left: -80px;
    z-index: 0;
    border-radius: 50%;
    pointer-events: none;
}

.ia-stat-content {
    position: relative;
    z-index: 1;
}
.index1-number {
    font-size: 70px;
    font-weight: 800;
    line-height: 1;
    font-family: 'Impact', 'Arial Black', sans-serif;
}
/* 数字样式 */
.ia-num {
    font-family: 'Montserrat', sans-serif; /* 假设使用 Montserrat */
    font-weight: 800; /* 加粗 */
    font-size: 64px;
    line-height: 1;
    color: #005b35; /* 品牌深绿色 */
    margin-bottom: 20px;
    display: flex;
    align-items: baseline;
}

.ia-num .unit {
    font-size: 70px;
    margin-left: 5px;
    color: #005025;
    font-weight: bold;
}
.ia-num .unit.text-unit{font-size: 20px;}
/* 描述文字样式 */
.ia-desc {
    font-size: 20px;
    line-height: 1.5;
    color: #555;
    font-weight: 200;
}

.index-product-section {
    padding: 0 0 20px;
    background-color: #f6f6f8;
}

.ip-grid-container {
    display: flex;
    flex-direction: column;
    gap: 20px; /* 行间距 */
}

/* 通用卡片样式 */
.ip-card {
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
    color: #fff;
}

.ip-img-box {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.ip-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    display: block;
}

/* 悬停放大效果 */
.ip-card:hover .ip-img-box img {
    transform: scale(1.05);
}

/* 遮罩层 (可选，增加文字对比度) */
.ip-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 60%);
    pointer-events: none;
    z-index: 1;
}

/* 文字内容区域 */
.ip-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 40px;
    box-sizing: border-box;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* 标题在顶，按钮在底 */
}

/* 标题文字 */
.ip-text h3 {
    font-weight: 200;
    font-size: 25px;
    line-height: 1.3;
    color: #fff;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.ip-text h3 span {
    display: block;
    opacity: 0.9;
    padding-top: 15px;
}

/* 按钮样式 */
.ip-btn {
    display: inline-block;
    background-color: #006637; /* 品牌绿 */
    color: #fff;
    padding: 0 25px;
    border-radius: 45px;
    line-height: 45px;
    font-size: 20px;
    text-transform: uppercase;
    width: fit-content;
    transition: background-color 0.3s;
    font-weight: 200;
}

.ip-card:hover .ip-btn {
    background-color: #004d2a;
}

/* --- 布局结构 --- */

/* 第一行：1张大图 */
.ip-row-1 {
    width: 100%;
}
.ip-row-1 .ip-card {
    width: 100%;
    height: 100%;
}

/* 第二行：2张图 (50% - 50%) */
.ip-row-2 {
    display: flex;
    gap: 20px;
}
.ip-row-2 .ip-card {
    flex: 1;
    height: 100%;
}

/* 第三行：3张图 (33% * 3) */
.ip-row-3 {
    display: flex;
    gap: 20px;
}
.ip-row-3 .ip-card {
    flex: 1;
    height: 100%;
}


.index-video{width: 100%;}
.index-video video{width: 100%;}

/* Container Reset */
.support-list-container {
    width: 100%;
    padding: 70px 0 60px;
    margin: 0;
}

/* Individual Item Block */
.support-item {
    display: block;
    width: 100%;
    height: 220px;
    /* transition: all 0.3s ease; */ /* 背景色切换不需要过渡太慢，或者保留也可 */
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Flexbox Layout inside the wrapper */
.support-item .wrap {
    display: flex;
    justify-content: space-between; /* Number Left, Text Right */
    align-items: center;
    height: 100%;
}

/* --- Alternating Colors --- */
/* Odd items (1, 3, 5) -> Dark Green */
.support-item {
    background-color: #012718;
    margin-bottom: 15px;
}

/* Even items (2, 4, 6) -> Medium Green */
.support-item:nth-of-type(even) {
    background-color: #00653b;
}

/* Hover Effect - Optional: subtle brightness for the background */
.support-item:hover {
    filter: brightness(1.05); 
}
.support-item:hover .sp-num {
    transform: translateX(10px);
}

/* --- Typography --- */

/* Large Number (01, 02...) */
.sp-num {
    font-size: 100px;
    font-weight: bold;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    line-height: 1;
    transition: transform 0.4s ease;
    cursor: default; /* 数字不可点击 */
}

/* Right Content Area */
.support-text-box {
    text-align: right;
    color: #fff;
}

/* Title (Parent) - No Pointer Events */
.sp-title {
    font-size: 30px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #fff;
    cursor: default; /* 标题不可点击 */
}

/* Sub-links / Description */
.sp-desc a {
    display: block; /* 链接独占一行 */
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7); /* 默认半透明白 */
    line-height: 1.8;
    transition: color 0.3s, transform 0.3s;
    text-decoration: none;
    cursor: pointer; /* 链接显示手型 */
}

/* 子类链接悬停效果 */
.sp-desc a:hover {
    color: #fff; /* 悬停变全白 */
    transform: translateX(-5px); /* 微微向左移动，增加交互感 */
    text-decoration: underline; /* 可选：增加下划线 */
}



/* --- About Banner 样式 --- */
.about-banner-section {
    position: relative;
    width: 100%;
    height: 100vh; /* 设为全屏高度 */
    min-height: 600px; /* 最小高度防止内容过少时太扁 */
    overflow: hidden;
}

/* 背景图片 */
.about-bg-img {
    width: 100%;
    object-fit: cover; /* 保证图片铺满且不变形 */
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 1;
}

/* 渐变遮罩：模拟参考图中顶部的深色渐变，让白字更清晰 */
.about-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60%; /* 遮罩只覆盖上半部分 */
    background: linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 100%);
    z-index: 2;
    pointer-events: none;
}

/* 文字容器 */
.about-text-container {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 100%;
    /* 利用 flex 布局控制整体位置，但文字主要靠 padding-top 定位在左上 */
    display: flex;
    align-items: flex-start; 
}

/* 定位文字在 wrap 内的左上角 */
.about-text-content {
    padding-top: 180px; /* 距离顶部的距离，可根据 header 高度调整 */
    color: #fff;

}

/* 英文标题 */
.en-title-large {
    font-size: 48px;
    line-height: 1.4;
}

.en-title-large span {
    display: block;
    font-weight: 200;
}

/* 中文副标题 */
.cn-sub-title {
    padding-top: 10px;
    font-size: 25px;
    font-weight: normal;
    color: #fff; /* 稍微透明一点 */
    letter-spacing: 2px;
    font-weight: 200;
}

/* 品牌词高亮 (可选) */
.brand-name {
    font-family: 'Montserrat', sans-serif;
    margin-right: 10px;
}


/* --- 第二板块：Brand DNA 样式 --- */
.brand-dna-bg{background: #046a38;}
.brand-dna-section {
    background-color: #002b17; /* 深色背景 */
    color: #fff;
    padding: 100px 0;
    border-radius: 0 450px 0 0;
}

/* 强制覆盖 wrap 宽度为 1400px (仅在此板块生效) */
/* 顶部介绍文字 */
.dna-intro {
    margin-bottom: 60px;
    padding: 0 40px;
}

.dna-intro h3 {
    font-size: 25px;
    font-weight: normal;
    line-height: 1.6;
    color: #fff;
    font-weight: 200;
}

/* 中间图片 */
.dna-visual-img {
    width: 100%;
    display: block;
    margin-bottom: 50px; /* 图片与下方文字的间距 */
}

/* 五列内容网格布局 */
.dna-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 5等分 */
    gap: 40px; /* 列间距 */
    margin-bottom: 80px;
    align-items: start;
}

.dna-item {
    text-align: left;
    font-weight: 200;
}

.dna-item h4 {
    font-size: 16px;
    color: #fff;
}

.dna-item p {
    font-size: 12px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.7); /* 文字颜色稍浅 */
}

/* 底部总结文字 */
.dna-footer-text {
    font-size: 25px;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.7);
    padding: 0 40px;
    font-weight: 200;
}
/* =========================================
   第三板块：Dedication (15 Years) 样式
   ========================================= */
.dedication-section {
    background-color: #071d11; /* 用户指定的底部颜色 */
    padding: 80px 0;
    color: #fff;
    overflow: hidden;
    font-family: 'Montserrat', sans-serif;
}

.dedication-section .wrap {
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 60px;
}

/* --- 左侧大图区域 --- */
.dedication-left {
    flex: 0 0 528px; /* 左侧宽度占比 */
    position: relative;
    padding-top: 50px; /* 留出边框位置 */
    padding-left: 40px;
}

/* 绿色装饰线框 */
.ded-img-frame {
    position: relative;
    z-index: 2;
}

.ded-img-frame::before {
    content: '';
    position: absolute;
    top: -30px;
    left: -40px;
    width: calc(100% + 80px);
    height: calc(100% + 60px);
    border: 1px solid #05562d; /* 绿色边框 */
    z-index: -1;
}
.ded-img-frame::after {
    content: '';
    position: absolute;
    top: 20%;
    right: -50px;
    display: block;
    width: 20px;
    height: 50%;
    background-color: #071d11;
}

.dedication-left img {
    width: 100%;
    display: block;
    height: auto;
}

/* --- 右侧内容区域 --- */
.dedication-right {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 顶部标题区 */
.ded-header {
    text-align: right;
}

.ded-sub {
    font-size: 30px;
    font-weight: 300;
    color: rgba(255,255,255,0.8);
    line-height: 1;
    margin-bottom: 0px;
    display: block;
    position: absolute;
    top: -30px;
    right: 0;
}

/* "15" 大数字设计 */
.ded-years-box {
    display: flex;
    align-items: baseline;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.big-num {
    font-family: "Times New Roman", Times, serif; /* 使用衬线字体 */
    font-style: italic;
    font-size: 200px;
    line-height: 0.9;
    font-weight: 400;
}

.year-text {
    font-size: 30px;
    font-weight: 300;
    color: rgba(255,255,255,0.8);
}

/* 文本段落 */
.ded-desc{padding: 25px;}

.ded-desc p {
    font-size: 20px;
    line-height: 1.8;
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
    font-weight: 200;
}

.ded-desc li {
    font-size: 20px;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 200;
    display: flex;
    align-items: center;
    line-height: 1.3;
}
.ded-desc li i{width: 30px;display: inline-block;margin-right: 8px;
    height: 30px;
    background-color: #046a38;
    clip-path: path('M 15 0 Q 15 15 30 15 Q 15 15 15 30 Q 15 15 0 15 Q 15 15 15 0 Z');}
.ded-desc.cn li{font-size: 24px;}
.ded-desc.cn p{font-size: 24px;}
/* 底部图片区域 (三圆图 + 右下角图) */
.ded-media-row {
    margin-top: auto; /* 推到底部 */
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    padding-top: 30px;
}

.three-circles-img {
    flex: 0 0 auto;
    max-height: 120px; /* 限制高度 */
}

.three-circles-img img {
    height: 120px;
    width: auto;
    display: block;
}

.right-bottom-img {
    flex: 1;
    overflow: hidden;
}

.right-bottom-img img {
    width: 100%;
    display: block;
    object-fit: cover;
}

/* =========================================
   第四板块：Core Value Pillars 样式
   ========================================= */
.pillars-section {
    position: relative;
    background-color: #ededed;
    padding: 100px 0 120px;
    font-family: 'Montserrat', sans-serif;
    color: #333;
    overflow: hidden;
}
.pillars-section .wrap{width: calc(100% - 180px);max-width: 1920px;}
/* 顶部区域 */
.pillars-top {
    margin-bottom: 60px;
    position: relative;
}

.pillars-main-title {
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    color: #000;
    margin-bottom: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pillars-main-title::before,
.pillars-main-title::after {
    content: '';
    display: block;
    width: 140px;
    height: 1px;
    background-color: #999;
    margin: 0 15px;
}



.title-diamond {
    width: 100px;
    height: 100px;
    background-color: #007541; /* 墨绿色 */
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    font-family: serif;
    /* 使用绘制路径裁剪：从中心点向四个顶点拉伸，边缘向内凹 */
    clip-path: polygon(50% 0%, 65% 35%, 100% 50%, 65% 65%, 50% 100%, 35% 65%, 0% 50%, 35% 35%);
    /* 如果需要更圆润的内凹效果，建议配合 SVG 使用，或者如下简单的内凹模拟 */
    clip-path: path('M50 0 C50 30 70 50 100 50 C70 50 50 70 50 100 C50 70 30 50 0 50 C30 50 50 30 50 0 Z');
}
.pillars-intro-box {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
}

.pillars-top-bg {
    z-index: 0;
    position: absolute;
    right: 0;
    top: 100px;
    width: 70%;
    height: 750px;
    background-image: url('/templets/images/about_box4_top.jpg');
    background-repeat: no-repeat;
    background-position: top right;
}

.pillars-intro-text {
    position: relative;
    z-index: 2;
    width: 600px;
    padding-top: 40px;
}

.watermark-text {
    font-size: 110px;
    font-weight: 700;
    color: #cacaca;
    line-height: 1;
    position: absolute;
    top: -20px;
    left: 5%;
    z-index: -1;
    font-family: serif;
}

.pillars-intro-text h2 {
    padding: 0 40px;
    text-align: right;
    font-size: 35px;
    font-weight: 400;
    color: #262626;
    margin-bottom: 100px;
    letter-spacing: 3px;
}

.pillars-intro-text p {
    font-weight: 300;
    font-size: 25px;
    line-height: 2;
    color: #333;
}

/* --- 下半部：列表与图片 --- */
.pillars-content-row {
    display: flex;
    justify-content: space-between;
    gap: 80px;
    align-items: stretch; /* 关键：确保左右两侧高度一致 */
}

/* 左侧：6点列表 */
.pillars-list {
    flex: 1;
}

.pillar-item {
    margin-bottom: 40px;
}

.pillar-item:last-child {
    margin-bottom: 0;
}

.p-header {
    background-color: #046a38;
    color: #fff;
    padding: 0 80px 0 15px;
    display: inline-block;
    font-size: 35px;
    font-weight: 700;
    min-width: 10%;
    margin-bottom: 15px;
}

.p-desc {
    font-size: 20px;
    font-weight: 200;
    line-height: 1.6;
    color: #333;
    text-align: justify;
}
.vmax-box-en .p-desc{font-size:18px;}
/* 右侧：图片组 */
.pillars-images-col {
    padding: 95px 0;
    flex: 0 0 450px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.p-img-box {
    width: 100%;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.p-img-box img {
    width: 100%;
    display: block;
    transition: transform 0.5s ease;
}

.p-img-box:hover img {
    transform: scale(1.05);
}

/* =========================================
   第五板块：Dubai Vision & Commitment 样式
   ========================================= */
.dubai-section {
    width: 100%;
    font-family: 'Montserrat', sans-serif;
    color: #fff;
    overflow: hidden;
}

/* 图片容器：设置为相对定位，作为绝对定位内容的锚点 */
.dubai-bg-wrapper {
    position: relative;
    width: 100%;
    line-height: 0; /* 消除图片底部的微小间隙 */
}

/* 背景图：作为实际撑开高度的元素 */
.dubai-bg-img {
    display: block;
    width: 100%;
    height: auto; /* 关键：高度由图片比例自然撑开 */
    position: relative;
    z-index: 1;
}

/* 文字遮罩：绝对定位覆盖在图片上 */
.dubai-text-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 70%; /* 渐变遮罩覆盖上半部分，保证文字清晰 */
    background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0) 100%);
    z-index: 2;
    pointer-events: none;
}

/* 内容层：绝对定位，悬浮于图片之上 */
.dubai-content-overlay {
    position: absolute; /* 关键修改：绝对定位 */
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    padding-top: 6%; /* 使用百分比padding，随图片缩放保持相对位置 */
    line-height: 1.6; /* 恢复正常的行高 */
}

.dubai-content-overlay .wrap {
    width: 1200px !important;
    max-width: 90%;
    margin: 0 auto;
}

.dubai-text-p {
    font-size: 20px;
    font-weight: 200;
    line-height: 1.5;
    margin-bottom: 25px;
    text-align: justify;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0,0,0,0.3); /* 增加文字阴影，防止背景太亮看不清 */
}

/* 底部绿色通栏：在图片容器下方，正常文档流 */
.dubai-footer-bar {
    position: relative;
    background-color: #002b17; /* 深绿色背景 */
    padding: 60px 0;
    text-align: center;
    color: #fff;
}

.dubai-footer-quote {
    font-size: 22px;
    font-weight: 200;
    line-height: 1.6;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;

}

.dubai-footer-slogan {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
}



.index-market {padding: 100px 0;background-color: #ededed;overflow: hidden;}
.index-market-wrap {display: flex;align-items: center;justify-content: space-between;gap: 0;}
.index-market-left {width: 35%;padding-left: 6%;position: relative;z-index: 2;}
.index-market-title {padding: 40px 0 10px 50px;font-size: 55px;color: #231916;font-weight: 600;display: flex;align-items: center;line-height: 1.1;}
.index-market-title.en{font-size: 40px;}
.index-market-title i {display: inline-block;width: 25px;height: 3px;background-color: #066c3d;margin-left: 25px;}
.index-market-desc {padding: 0 10px 0 50px;font-size: 16px;color: #717171;line-height: 1.8;margin-bottom: 50px;}
.index-market-list {display: flex;flex-direction: column;}
.index-market-list li {padding-left: 55px;display: flex;align-items: center;line-height: 25px;height: 103px;font-size: 18px;color: #231916;transition: all 0.3s ease;cursor: pointer;}
.index-market-list li.active {background: url("../images/market_list.jpg") no-repeat left center #002b16;color: #fff;position: relative;margin-right: -60px;}
.index-market-list li.active span {padding-left: 46px;position: relative;z-index: 2;}
.index-market-star {width: 26px;height: 26px;background-color: #066c3d;clip-path: path('M 13 0 Q 13 13 26 13 Q 13 13 13 26 Q 13 13 0 13 Q 13 13 13 0 Z');flex-shrink: 0;margin-right: 20px;}
.index-market-right {width: 65%;background-color: #000;display: flex;position: relative;z-index: 1;}
.index-market-right img {width: 100%;height: 100%;object-fit: cover;display: block;}
.index-market-list li.active .index-market-star {
  display: none;
}

.about-system-module {width: 100%;}
/* 上半部分浅色区域 */
.about-system-top {background-color: #f6f6f8;padding: 80px 0 0;}
.about-system-top .wrap{width: calc(100% - 180px);max-width: 1920px;}
.about-system-header {text-align: center;margin-bottom: 60px;}
.about-system-title {font-size: 50px;line-height: 1.2;font-weight: bold;color: #000;display: flex;align-items: center;justify-content: center;margin-bottom: 25px;}

/* 标题两侧的横线 */
.about-system-title::before,
.about-system-title::after {content: '';display: block;width: 165px;height: 1px;background-color: #000;margin: 0 55px;}
.about-system-desc {font-size: 14px;color: #231916;line-height: 1.8;}

/* 重叠的卡片组 */
.about-system-cards {display: grid;grid-template-columns: repeat(3, 1fr);gap: 30px;margin-bottom: -150px;position: relative;z-index: 10;}
.about-system-card {background-color: #fff;box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);display: flex;flex-direction: column;transition: transform 0.3s ease;}
.about-system-card:hover {transform: translateY(-5px);}
.as-card-header {display: flex;align-items: center;padding: 35px 35px;gap: 15px;}
.as-card-icon {width: 60px;height: 60px;flex-shrink: 0;}
.as-card-icon img {width: 100%;height: 100%;object-fit: contain;}
.as-card-text {flex: 1;}
.as-card-text h4 {font-size: 15px;color: #046a38;margin-bottom: 5px;line-height: 1.3;}
.as-card-text p {font-size: 12px;color: #717171;line-height: 1.2;}
.as-card-img {width: 100%;overflow: hidden;}
.as-card-img img {width: 100%;height: 100%;object-fit: cover;display: block;}
.as-card-footer {padding: 20px 25px;font-size: 16px;color: #231916;font-weight: 500;}

/* 下半部分深绿色区域 */
.about-system-bottom {background-color: #012718;padding: 240px 0 100px; }
.about-foundation-header {display: flex;justify-content: space-between;align-items: center;margin-bottom: 60px;}
.af-title-box h3 {font-size: 40px;color: #fff;font-weight: bold;margin-bottom: 10px;line-height: 1.2;}
.af-title-box p {font-size: 25px;color: #fff;}
.af-more-btn {display: inline-block;background-color: #046a38;color: #fff;padding: 0 50px;line-height: 65px;border-radius: 5px;font-size: 18px;text-decoration: none;transition: background 0.3s;}
.af-more-btn:hover {background-color: #8ec21f;}
/* 底部四大特征图标列 */
.about-foundation-features {display: grid;grid-template-columns: repeat(4, 1fr);gap: 30px;text-align: center;}
.af-feature-item {display: flex;flex-direction: column;align-items: center;}
.af-feature-icon {width: 100px;height: 100px;margin-bottom: 25px;}
.af-feature-icon img {width: 100%;height: 100%;object-fit: contain;}
.af-feature-item p {font-size: 18px;color: #ddd;line-height: 1.6;}