.w1{
    height: 1059px;
    background: url(top.jpg) no-repeat center 0;
}
.w2{
    padding-bottom: 40px;
    background: url(b0.jpg) no-repeat center 0;
}

/* ===== 大图区 ===== */
.dt{
    width: 1200px;
    margin: 0 auto;
}

/* 缩略图栏 */
.dt-thumb-bar{
    width: 940px;
    height: 134px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
}

/* 花纹间隔元素，层级在激活背景上方 */
.dt-sep{
    width: 23px;
    height: 59px;
    background: url(l1.png) no-repeat center center;
    flex-shrink: 0;
    display: block;
    position: relative;
    z-index: 1;
}

/* 缩略图单元 */
.dt-thumb-slide{
    flex: 1;
    cursor: pointer;
    position: relative;
}

/* 激活态：白框背景延伸到左右花纹下方 */
.dt-thumb-slide.dt-thumb-active::before{
    content: '';
    position: absolute;
    left: -11px;   /* 向左覆盖整个左侧花纹 */
    right: -13px;  /* 向右覆盖整个右侧花纹 */
    top: 50%;
    transform: translateY(-50%);
    height: 114px;
    background: url(l0.png) no-repeat center center;
    background-size: 100% 100%;
    z-index: -1; /* 在缩略图和花纹下方 */
}

/* 缩略图图片：各自独立图片缩小显示 */
.dt-thumb-inner{
    overflow: hidden;
    position: relative;
    text-align: center;
}

.dt-thumb-inner img{
    width: 80%;
}

/* 激活态由 ::before 承担背景，此处清除 .dt-thumb-inner 上的背景 */
.dt-thumb-slide.dt-thumb-active .dt-thumb-inner{
    background: none;
}

/* 主图区 */
.dt-swiper-main{
    overflow: hidden;
}

.dt-swiper-main .swiper-slide{
    height: 580px;
}

/* 主图 img 充满展示 */
.dt-main-img{
    width: 100%;

    display: block;
}


/* 文件解读区 */
.wjjd{
    width: 1200px;
    margin: 310px auto 0;
}
.wjjd .cl{
    width: 741px;
    height: 502px;
    float: left;
    background: url(lb1.png) no-repeat 0 0;
    overflow: hidden;
}

/* 解读激活：替换为 lb2.png */
.wjjd .cl.tab-jd{
    background-image: url(lb2.png);
}
.wjjd .cr{
    margin-right: -120px;
}

/* Tab 栏：仅作为点击分区，无背景 */
.cl-tabs{
    width: 741px;
    height: 90px;
    display: flex;
    cursor: pointer;
}

/* 单个 Tab 点击区域 */
.cl-tab{
    flex: 1;
    height: 100%;
    font-size: 0;
    cursor: pointer;
}

/* 内容面板 */
.cl-panel{
    display: none;
    padding: 54px 50px 0;
}

.cl-panel ul{
    list-style: none;
    margin: 0;
    padding: 0;
}

.cl-panel ul li{
    padding: 14px 0 14px 22px;
    position: relative;
    font-size: 22px;
    line-height: 50px;
    color: #5a3b1a;
    /* border-bottom: 1px solid #e8ddd0; */
    cursor: pointer;
}

.cl-panel ul li::before{
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #8b6340;
}

/* 云岭 */
.yl{
    margin-top: 90px;
}
.yl .ct{
    width: 1215px;
    height: 407px;
    margin: 130px auto 0;
    background: url(n1.png) no-repeat 0 0;
    position: relative;
    padding: 40px 30px 0 405px;
}
.yl .ct.n{
    background-image: url(n2.png);
    margin-top: 20px;
    height: 469px;
    padding: 60px 405px 0 30px;
}

/* 左侧文字列表 */
.yl .ct .cl{
    width: 475px;
    overflow: hidden;
}

.yl-list{
    list-style: none;
    margin: 0;
    padding: 0;
}

.yl-list li{
    padding: 9px 0 9px 20px;
    position: relative;
    font-size: 18px;
    line-height: 26px;
    cursor: pointer;
}

.yl-list li a{
    color: #1c1c1c;
    text-decoration: none;
}

.yl-list li::before{
    content: '';
    position: absolute;
    left: 0;
    top: 17px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #965715;
}

/* 右侧 Swiper 区域 */
.yl .ct .cr{
    width: 270px;
    position: relative;
}

.yl-swiper-wrap{
    display: flex;
    align-items: center;

    padding: 0 8px;
    box-sizing: border-box;
}

/* 左右箭头按鈕 */
.yl-btn{
    flex-shrink: 0;
    cursor: pointer;
    padding: 0 6px;
}

.yl-btn img{
    display: block;
}

/* Swiper 容器 */
.yl-swiper{
    flex: 1;
    overflow: hidden;
    height: 340px;
}

/* 卡片 */
.yl-card{
    position: relative;
    overflow: hidden;
}

.yl-card > img{
    width: 100%;
    height: auto;  /* 自动还原 199×308 竞版比例 */
    display: block;
}

.yl-card-txt{
    font-size: 13px;
    color: #333;
    line-height: 1.5;
    padding: 8px 4px 0;
    margin: 0;
}

/* 分页圆点 */
.yl-pagination{
    text-align: center;
    margin-top: 10px;
}
.yl-pagination .swiper-pagination-bullet-active{
    background-color: #fd7c00;
}

/* 云声远洋 */

.ysyy{
    width: 1200px;
    margin: 70px auto 0;
}
.ysyy video{
    margin: 30px auto 0;
}
.ysyy .tc{
    width:1211px;
    height: 545px;
    background: url(n3.png) no-repeat 0 0;
    margin-top: 60px;
    box-sizing: border-box;
    padding: 60px 40px 24px;
}

/* 文字链区 */
.tc-links{
    margin-bottom: 10px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 18px;
    align-items: start; /* 每单元自身高度，不拉伸 */
}

/* 卡片：不设固定高度，随文字行数自动伸缩 */
.tc-link-card{
    flex: 1;
    display: block;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 20px rgba(156,156,200,0.30);
    padding: 14px 18px;
    font-size: 18px;
    color: #222;
    text-decoration: none;
    line-height: 26px;
    text-align: left;
}

/* 更多按鈕：跳出 grid 独占一行 */
.tc-more{
    grid-column: span 2;
    text-align: right;
    margin-top: 20px;;
}

.tc-more a{
    font-size: 16px;
    color: #9c9cc8;
    padding: 0px 20px;
    border-radius: 15px;
    background-color: #d4d5e2;
}

/* 图片列区 */
.tc-pics{
    display: flex;
    gap: 16px;
    justify-content: space-between;
    margin-top: 40px;

}

.tc-pic-item{
    width: 240px;
    text-align: center;
}

.tc-pic-item a{
    display: block;
}

.tc-pic-item img{
    width: 100%;
    border-radius: 4px;
}

.tc-pic-item p{
    font-size: 18px;
    color: #333;
    text-indent: 0;
    margin: 8px 0 0;
}


/* 百境 */
.bj{
    margin-top: 260px;
}


/* ========================================
   手机端适配  @media (max-width: 768px)
   类名规则：m + PC类名
======================================== */
@media (max-width: 768px) {

    /* 外层容器 */
    .mw2 {
        width: 100%;
        padding: 0 12px;
        box-sizing: border-box;
    }

    /* ---- 大图区 ---- */
    .mdt { width: 100%; }

    .mdt-swiper-main { overflow: hidden; }

    .mdt-swiper-main .swiper-slide { height: auto; }

    .mdt-main-img {
        width: 100%;
        display: block;
    }

    /* 缩略图横向滚动条 */
    .mdt-thumb-bar {
        display: flex;
        overflow-x: auto;
        gap: 6px;
        padding: 8px 0;
        scrollbar-width: none;
    }
    .mdt-thumb-bar::-webkit-scrollbar { display: none; }

    .mdt-thumb-slide {
        flex-shrink: 0;
        width: 72px;
        cursor: pointer;
        opacity: .6;
        transition: opacity .2s;
    }
    .mdt-thumb-slide.mdt-thumb-active { opacity: 1; }

    .mdt-thumb-inner img {
        width: 100%;
        height: 46px;
        object-fit: cover;
        display: block;
    }

    /* ---- 文件解读 ---- */
    .mwjjd { margin-top: 20px; }

    .mcl {
        width: 100%;
        background: url(lb1.png) no-repeat 0 0;
        background-size: 100% auto;
        overflow: hidden;
    }
    .mcl.tab-jd { background-image: url(lb2.png); }

    .mcl-tabs {
        display: flex;
        height: 55px;
        cursor: pointer;
    }
    .mcl-tab {
        flex: 1;
        height: 100%;
        font-size: 0;
        cursor: pointer;
    }

    .mcl-panel {
        display: none;
        padding: 18px 15px 20px;
    }
    .mcl-panel ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .mcl-panel ul li {
        padding: 10px 0 10px 18px;
        position: relative;
        font-size: 15px;
        line-height: 1.65;
        color: #5a3b1a;
        cursor: pointer;
    }
    .mcl-panel ul li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 18px;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: #8b6340;
    }

    /* ---- 云岭 ---- */
    .myl { margin-top: 28px; }

    .mtit img {
        width: 100%;
        height: auto;
        display: block;
    }

    .mct {
        position: relative;
        padding: 14px 0;
    }

    .myl-list {
        list-style: none;
        padding: 0;
        margin: 0 0 18px;
    }
    .myl-list li {
        padding: 8px 0 8px 18px;
        position: relative;
        font-size: 15px;
        line-height: 1.6;
    }
    .myl-list li a {
        color: #1c1c1c;
        text-decoration: none;
    }
    .myl-list li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 15px;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: #965715;
    }

    .myl-swiper-wrap {
        display: flex;
        align-items: center;

    }
    .myl-btn {
        flex-shrink: 0;
        cursor: pointer;
        padding: 0 5px;
    }
    .myl-btn img { display: block; }
    .myl-swiper {
        flex: 1;
        overflow: hidden;
        position: relative;
        /* 高度由图片内容决定，不固定 */
    }
    .myl-swiper .swiper-slide {
        height: auto;
    }
    .myl-card img {
        width: 100%;
        height: auto;
        display: block;
    }

    /* ---- 云声远洋 ---- */
    .mysyy { margin-top: 28px; }

    .mysyy-video {
        width: 100%;
        height: auto;
        display: block;
        margin-top: 12px;
    }

    .mtc {
        width: 100%;
        height: auto;
        background: none;
        margin-top: 18px;
        padding: 0;
        box-sizing: border-box;
    }
    .mtc-links { margin-bottom: 8px; }

    /* 手机端文字链单列排列 */
    .mtc-link-row {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-bottom: 10px;
    }
    .mtc-link-card {
        display: block;
        background: #fff;
        border-radius: 6px;
        box-shadow: 0 2px 12px rgba(156,156,200,.30);
        padding: 12px 14px;
        font-size: 15px;
        color: #222;
        text-decoration: none;
        line-height: 1.6;
        text-align: left;
    }
    .mtc-more {
        text-align: right;
        margin: 10px 0;
    }
    .mtc-more a {
        font-size: 13px;
        color: #9c9cc8;
        background-color: #d4d5e2;
        padding: 2px 12px;
        border-radius: 12px;
        text-decoration: none;
    }

    /* 图片列 2×2 网格 */
    .mtc-pics {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }
    .mtc-pic-item {
        width: calc(50% - 5px);
        text-align: center;
    }
    .mtc-pic-item a { display: block; }
    .mtc-pic-item img {
        width: 100%;
        border-radius: 4px;
        display: block;
    }
    .mtc-pic-item p {
        font-size: 13px;
        color: #333;
        margin: 6px 0 0;
        text-indent: 0;
        line-height: 1.5;
    }

    /* ---- 百境 ---- */
    .mbj { margin-top: 28px; }
    .mbj img {
        width: 100%;
        height: auto;
        display: block;
    }

}