/* ====== 顶部轮播图 ====== */
#slider{
    width: 100%;
    overflow: hidden;
    position: relative;
    background:#F3F4F6;
}
#slider .slider-track{
    width: 100%;
    height: 100%;
    position: relative;
}
/* 每一张slide */
#slider .slider-item{
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;

    box-sizing: border-box;
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}
#slider .slider-item.active{
    opacity: 1;
    pointer-events: auto;
    z-index: 1;
}


/* 背景大字水印 */
#slider .slider-watermark{
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 320px;
    font-weight: 900;
    color: rgba(255,255,255,0.07);
    letter-spacing: -10px;
    user-select: none;
    pointer-events: none;
    line-height: 1;
}
/* 左侧文字 */
#slider .slider-text{
    position: relative;
    z-index: 2;
}
#slider .slider-title{
    font-family: PingFang SC, PingFang SC;
    font-weight: 700;
    font-size: 64px;
    color: #FFFFFF;
    line-height: 1.2;
    letter-spacing: 2px;
    margin-bottom: 18px;
}
#slider .slider-model{
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    font-size: 40px;
    color: rgba(255,255,255,0.75);
    letter-spacing: 1px;
    padding-top:24px;
}
/* 右侧产品图 */
#slider .slider-img-wrap{
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    width: 420px;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#slider .slider-img-wrap img{
    max-width: 380px;
    max-height: 360px;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 20px 60px rgba(0,0,0,0.4));
}
/* 左右箭头 */
#slider .slider-arrow{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s, background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
#slider:hover .slider-arrow{
    opacity: 1;
}

#slider .slider-arrow-left{ left:50px; }
#slider .slider-arrow-right{ right:50px; }
/* 底部圆点 */
#slider .slider-dots{
    position: absolute;
    bottom:32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 8px;
}
#slider .slider-dot{
    width: 24px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    transition: background 0.3s, width 0.3s;
    display: inline-block;
}
#slider .slider-dot.active{
    background: #ffffff;
    width: 36px;
}

/* ====== 百仁吉出品必属精品 ====== */
.quality-section{
    position: relative;
    background: #FFFFFF;
    padding:96px 0 50px 0;
    overflow: hidden;
    background-image:url("./../images/img/jingping.png");
    background-repeat: no-repeat;
    background-size: cover;
}

/* 上半部分 */
.quality-top{
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    z-index: 1;
}

.quality-main-title{
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 40px;
    color: #333333;
    text-align: left;
    letter-spacing:2px;
}
.quality-subtitle{
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 40px;
    color: #19367A;
    text-align: left;
    letter-spacing:2px;
    padding-top:4px;
}
.quality-desc-area{

    padding-top: 4px;
}
.quality-desc-p{
    width:600px;
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 16px;
    color: #555555;
    line-height: 2;
    margin-bottom: 14px;
    text-indent: 3em;
    letter-spacing:2px;
}
.quality-desc-p:last-child{ margin-bottom:0; }

/* 下半部分：图片 + 数据指标 */
.quality-bottom{
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}
.quality-img-wrap{
    width: 480px;
    height: 280px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(25,54,122,0.08);
    margin-top:20px;
}
.quality-building-img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 数据指标网格 */
.quality-stats-grid{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 76px 120px;
    margin-top:40px;
}
.quality-stat-item{
    display: flex;
    align-items: center;
    gap: 16px;
}
.stat-icon-box{
    width: 64px;
    height: 64px;
    border-radius: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: #FFFFFF;
}
.stat-info{}
.stat-num{
    font-family: Google Sans Flex, Google Sans Flex;
    font-weight: 600;
    font-size: 44px;
    color: #333333;
    text-align: left;
    font-style: normal;
    text-transform: none;
    position: relative;
    left:-2px;
}
.stat-unit{
    font-size: 14px;
    font-weight: 500;
    position:relative;
    bottom:24px;
    left:-4px;
}
.stat-num sup{
    font-size: 16px;
    font-weight: 500;
    vertical-align: super;
}
.stat-label{
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 14px;
    color: #47505F;
    text-align: left;
    font-style: normal;
    text-transform: none;
}

#PING{
    height: 876px;
    background: #FFFFFF;
    border-radius: 0px 0px 0px 0px;
}
#PING .warp-img-wrap{
    width: 1800px;
    height: 764px;
    background: rgba(0,0,0,0.2);
    border-radius:44px;
    background-image: url('./../images/img/pingan.png');
    background-size: cover;
    background-repeat: no-repeat;
}
#PING .warp-text{
    width: 580px;
    height: 224px;
    background: #E5E7EB;
    border-radius: 24px 24px 24px 24px;
    padding-top:65px;
    padding-left:65px;
    box-sizing: border-box;
    display: flex;
    cursor:pointer;
}
#PING .warp-text:hover{
    background: #FFFFFF;
}
#PING .warp-text .title{
    font-family: PingFang SC, PingFang SC;
    font-weight: 600;
    font-size: 24px;
    color: #333333;
    text-align: left;
    padding-top:10px;
}
#PING .p-text{
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 16px;
    color: #47505F;
    text-align: left;
    font-style: normal;
    text-transform: none;
    padding-top:12px;
}
#certification {
    background: #FFFFFF;
    padding-top:96px;
    border-radius: 0px 0px 0px 0px;
}
#certification .nav-title{
    margin:0 auto;
    width:834px;
}
#certification .title{
    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 40px;
    color: #333333;
    text-align: center;
    font-style: normal;
    text-transform: none;
    bottom:-20px;
}
#certification .warp-img{
    width: 100%;
    height:262px;
    position:relative;
    z-index:2;
    display:flex;
    flex-wrap:nowrap;
    overflow-x:auto;
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
#certification .warp-img::-webkit-scrollbar{
    display: none;
}
#certification .warp-img:active{
    cursor: grabbing;
}
#certification .ImgBlock{
    flex-shrink:0;
    margin-right:50px;
}
#partner{

    padding-top:95px;
    padding-bottom:72px;
}

#partner .nav-title{
    margin:0 auto;
    width:700px;
}
#partner .title{
    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 40px;
    color: #333333;
    text-align: center;
    font-style: normal;
    text-transform: none;
    bottom:-20px;
}
#partner .warp-quan{
    width:900px;
    height:400px;
    margin:149px auto 0 auto;
    background-image: url("./../images/img/hezuo.png");
    background-size: cover;
    background-repeat: no-repeat;
}
#partner .warp-Img{
    border-radius:50%;
    box-shadow: 0px 24px 50px -1px rgba(109,117,131,0.25);
}

#course{
    background: #0C111B;
    border-radius: 0px 0px 0px 0px;
    margin-top:0px;
    overflow: hidden;
}
#course .content{
    width:1300px;
    margin: 0 auto;
}

#course .leftBlock{
    width:385px;
    height: 764px;
}
#course .YinyingA{
    width: 648px;
    height: 96px;
    background: linear-gradient(180deg, #0C111B 0%, rgba(12,17,27,0) 100%);
    border-radius: 0px 0px 0px 0px;
    left:-30px;

}
#course .YinyingB{
    width: 648px;
    height: 96px;
    background: linear-gradient(360deg, #0C111B 0%, rgba(12,17,27,0) 100%);
    border-radius: 0px 0px 0px 0px;
    left:-30px;
}

#course .YunaBorder{
    height:900px;
    width:900px;
    border:64px solid #19367A;
    border-radius:900px;
    position:relative;
    top:-130px;
    left:-100px;
    z-index:0;
}
#course  .xinLine{
    height:800px;
    width:900px;
    border:1px solid #19367A;
    border-radius:900px;
    position:relative;
    top:41px;
    left:44px;
}
#course .warp-dian{
    color:#ffffff;
    display: flex;
    align-items: center;
    left:1px;
}
#course .warp-list{
   width:180px;
   left:30px;
}
#course .yearA{
    font-family: Google Sans Flex, Google Sans Flex;
    font-weight: 600;
    font-size: 24px;
    color: #6E7077;
    text-align: center;
    font-style: normal;
    text-transform: none;
    transform: rotate(32deg);
    padding-left:56px;
}
#course .yearB{
    font-family: Google Sans Flex, Google Sans Flex;
    font-weight: 600;
    font-size: 24px;
    color: #6E7077;
    text-align: center;
    font-style: normal;
    text-transform: none;
    margin-top:48px;
    transform: rotate(21deg);
}
#course .yearC{
    font-family: Google Sans Flex, Google Sans Flex;
    font-weight: 600;
    font-size: 48px;
    color: #FFFFFF;
    text-align: center;
    font-style: normal;
    text-transform: none;
    margin-top:48px;
}
#course .yearD{
    font-family: Google Sans Flex, Google Sans Flex;
    font-weight: 600;
    font-size: 24px;
    color: #6E7077;
    text-align: center;
    font-style: normal;
    text-transform: none;
    margin-top:48px;
    transform: rotate(-21deg);
}
#course .yearE{
    font-family: Google Sans Flex, Google Sans Flex;
    font-weight: 600;
    font-size: 24px;
    color: #6E7077;
    text-align: center;
    font-style: normal;
    text-transform: none;
    margin-top:48px;
    padding-left:56px;
    transform: rotate(-32deg);
}

#course .rightBlock{
    height: 764px;
    padding-top:104px;
    box-sizing: border-box;
}
#course .liText{
    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    font-size: 40px;
    color: #FFFFFF;
    text-align: center;
    font-style: normal;
    text-transform: none;
}
#course .liContent{
    margin-top:100px;
}
#course .listText{
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    text-align: left;
    padding-bottom:20px;
    max-width:600px;
    line-height:26px;
}
#course .YuanBtn{
    width:36px;
    height:36px;
    border-radius:50%;
    margin-left:20px;
}
#course .YuanBtn i{
    color:#FFFFFF;
}
/* 发展历程 - 选中年份高亮 + 动画 */
#course .yearA,
#course .yearB,
#course .yearC,
#course .yearD,
#course .yearE {
    transition: color 0.4s ease, text-shadow 0.4s ease, font-size 0.4s ease;
}
#course .yearA.active,
#course .yearB.active,
#course .yearC.active,
#course .yearD.active,
#course .yearE.active {
    color: #FFFFFF !important;
    /*text-shadow: 0 0 16px rgba(255,255,255,0.4);*/
}
#course .yearC.active {
    font-size: 52px;
}
/* 时间线圆点动画 */
#course .warp-dian i {
    transition: opacity 0.3s ease, transform 0.3s ease;
    color: #60A0FF;
    font-size: 18px;
}
/* 右侧内容淡入 */
#course .liContent .listText {
    animation: fadeSlideIn 0.3s ease-out both;
}
@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}
/* 前进后退按钮hover */
#course .YuanBtn {
    cursor: pointer;
    transition: background 0.3s, border-color 0.3s;
}
#course .YuanBtn:hover {
    background: rgba(96,160,255,0.2);
    border-color: #60A0FF;
}