* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        /* 合并全部css变量，去除重复root */
        :root {
            --ink-dark: #1a1a2e;
            --ink-medium: #2d3748;
            --ink-light: #4a5568;
            --paper-bg: #f7f5f0;
            --paper-old: #e8e4dc;
            --accent-red: #8b4513;
            --accent-gold: #b8860b;
            --mountain-1: #2d3748;
            --mountain-2: #4a5568;
            --mountain-3: #718096;
            --water-light: #e2e8f0;
            --white: #ffffff;
            --primary-green: #1a3c27;
            --deep-green: #0f2818;
            --gold: #c9a961;
            --light-gold: #e8d5a3;
            --cream: #f8f6f0;
            --light-gray: #f0efe9;
            --text-dark: #2C1810;
            --text-gray: #666;
            --primary: #8B4513;
            --primary-light: #A0522D;
            --secondary: #2F4F4F;
            --accent: #DAA520;
            --bg-cream: #FDF5E6;
            --bg-paper: #FAF0E6;
            --text-light: #5C4033;
            --border: #D2B48C;
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            --shadow-soft: 0 3px 12px rgba(0,0,0,0.08);
        }
        body {
            color: var(--text-dark);
            background-color: var(--light-gray);
            line-height: 1.6;
            overflow-x: hidden;
        }
        /* ==========导航栏样式========== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: clamp(14px,2vw,20px) 0;
            transition: var(--transition-smooth);
            background: linear-gradient(to bottom, rgba(0,0,0,0.3), transparent);
        }
        .navbar.scrolled {
            background: rgba(255,255,255,1);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-soft);
            padding: clamp(10px,1.5vw,12px) 0;
        }
        .nav-container {
            max-width: 1900px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
      
            font-family: 'Noto Serif SC', serif;
            font-size: 1.8rem;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 0.2em;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .seal {
            width: 50px;
            height: 50px;
            background: #b85450;
            border: 3px solid #8b4513;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            font-weight: bold;
            box-shadow: 2px 2px 4px rgba(0,0,0,0.2);
            position: relative;
        }
        .seal::before {
            content: '河';
            position: absolute;
            font-size: 12px;
            top: 2px;
            right: 4px;
            opacity: 0.8;
        }
        .logo-text {
            color: #e8e4dc;
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 4px;
            transition: var(--transition-smooth);
        }
        .navbar.scrolled .logo-text {
            color: var(--text-dark);
        }
        .logo-text span {
            color: #b85450;
            font-size: 14px;
            display: block;
            letter-spacing: 2px;
            margin-top: 2px;
            font-weight: 400;
        }
        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            font-family: 'Ma Shan Zheng', cursive;
            color: var(--white);
            text-decoration: none;
            font-size: 1.5rem;
            position: relative;
            padding: 0.5rem 0;
            transition: var(--transition-smooth);
        }
        .navbar.scrolled .nav-links a {
            color: var(--text-dark);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        /* 移动端汉堡按钮 */
        .menu-btn {
            display: none;
            font-size: 28px;
            color: #fff;
            cursor: pointer;
        }
        .navbar.scrolled .menu-btn {
            color: var(--text-dark);
        }
        /* ==========首屏封面========== */
        .hero {
            min-height: 100vh;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('../images/cover1.jpg') center/cover no-repeat;
            animation: scaledrow 10s ease-in-out 1 forwards;
        }
        @keyframes scaledrow {
            0%{transform: scale(1);}
            25%{transform: scale(1.1);}
            50%{transform: scale(1.25);}
            75%{transform: scale(1.05);}
            100%{transform: scale(1.05);}
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(
                to bottom,
                rgba(0,0,0,0.4) 0%,
                rgba(0,0,0,0.2) 50%,
                rgba(26,95,74,0.6) 100%
            );
        }
        .hero-content {
            position: relative;
            z-index: 10;
            text-align: center;
            color: var(--white);
            max-width: 900px;
            padding: 0 20px;
            animation: fadeInUp 1s ease-out;
        }
        .hero-badge {
            display: inline-block;
            padding: 10px 24px;
            border: 1px solid rgba(255,255,255,0.4);
            border-radius: 30px;
            font-size: 13px;
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 30px;
            backdrop-filter: blur(10px);
            background: rgba(255,255,255,0.1);
        }
        .oldhero-title {
            font-family: 'Ma Shan Zheng', cursive;
            font-size: clamp(70px,18vw,220px);
            font-weight: 500;
            letter-spacing: clamp(6px,2vw,20px);
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
            animation: slideIn 1s ease-out 0.3s both;
        }
        /* 缺失动画补充 */
        @keyframes fadeInUp {
            from {opacity:0;transform: translateY(30px);}
            to {opacity:1;transform: translateY(0);}
        }
        @keyframes slideIn {
            from {opacity:0;transform: scale(0.9);}
            to {opacity:1;transform: scale(1);}
        }
        /* ==========公告板块========== */
        .all {
            width: 100%;
            min-height: 1000px;
            padding: 80px 2vw;
            position: relative;
            background: url(images/21.webp) ;
            
        }
        .gonggao {
            max-width: 1600px;
            width: 96%;
            margin: 0 auto;
            color: #0f2818;
            font-family: 'Noto Serif SC', serif;
            padding: 40px 20px;
            box-shadow: 0 -5px 20px rgba(0,0,0,0.2);
            position: relative;
            z-index:2;
        }
        .news {
            margin-top: 20px;
            font-size: clamp(16px,1.2vw,20px);
            font-family:"KaiTi","STKaiti",serif;
            line-height: 2.8;
            display: grid;
            grid-template-columns: minmax(120px,220px) 1fr 1fr;
            gap: clamp(30px,8vw,210px);
           
        }
        .qianzhui {
            width: 100%;
        }
        .qianzhui img {
            width: min(200px,100%);
            height: auto;
        }
        .qianzhui h2 {
            writing-mode: vertical-rl;
            text-orientation: upright;
        }
        .zhaopian {
            width: 93%;
            max-width: 2200px;
            margin:0 auto;
            position: absolute;
            top: 15%;
            left: 50%;
            transform: translateX(-50%);
            height: 100%;
            z-index:1;
        }
        .zhaopian img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity:0.8;
        }
        .moree {
            margin-top:30px;
            text-align:center;
            cursor:pointer;
        }
        #more {
            font-size:18px;
        }
        #more-img {
            width: min(220px,80%);
            margin-top:10px;
            position: absolute;
            left:60%;
            bottom:6%;
        }

        /* ==========藏品展区【环形布局 中间展馆】========== */
        .cangpin {
            width:100%;
            min-height:850px;
            padding:120px 2vw;
            position: relative;
            background: url(images/21.webp);
        }
        /* 中间圆心：竖排展馆文字 */
        /*
        .yizu-3 {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%,-50%);
            width:min(200px,90%);
            text-align:center;
            z-index: 10;
        }
        .yizu-3 h2 {
            writing-mode: vertical-rl;
            text-orientation: upright;
            font-family: 'Ma Shan Zheng', cursive;
            font-size: clamp(30px,4vw,40px);
            display:inline-block;
        }
        .yizu-3 h1 a {
            font-family: 'Ma Shan Zheng', cursive;
            font-size: clamp(50px,7vw,80px);
            text-decoration:none;
            color:var(--text-dark);
            display:inline-block;
            vertical-align:top;
        }
         */   
        .cangpin-title {
    position: absolute;
    width: min(600px, 90%);
    top:82%;
    left:35%;
    /* 弹性布局强制一行 */
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 18px; /* 两个文字之间的间距 */
    opacity: 1;
    z-index: 10;
}
.cangpin-title h2,
.cangpin-title h1 {
    margin: 0;
    padding: 0;
}
.cangpin-title h1 a {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: clamp(50px,7vw,80px);
    text-decoration: none;
    color: rgb(81, 79, 79);
}
.cangpin-title h2 {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: clamp(30px,4vw,40px);
    color: rgb(78, 75, 75);
}
        /* 四个方位环绕成圆环 */
        .yizu-1 {position:absolute;left:4%;top:15%;}
        .yizu-2 {position:absolute;right:4%;top:10%;}
        .yizu-4 {position:absolute;left:50%;bottom:14%;transform:translateX(-50%);}

        .cangpin-1,.cangpin-2,.cangpin-3,.cangpin-4,.cangpin-5,.cangpin-6 {
            width: min(320px,92vw);
            height:auto;
            margin:25px 0;
            text-align:center;
            font-size:clamp(18px,2vw,30px);
            transition: var(--transition-smooth);
        }
        /* 默认图片低透明度蒙面 */
        .cangpin-1 img,.cangpin-2 img,.cangpin-3 img,.cangpin-4 img,.cangpin-5 img,.cangpin-6 img {
            width: min(290px,95%);
            height:auto;
            object-fit:contain;
            opacity:0.45;
            transition: var(--transition-smooth);
            
        }
        /* hover图片变清晰+轻微放大 */
        .cangpin-1:hover img,.cangpin-2:hover img,.cangpin-3:hover img,
        .cangpin-4:hover img,.cangpin-5:hover img,.cangpin-6:hover img{
            opacity:1;
            transform:scale(1.05);
        }
        /* 文字默认隐藏，hover弹出 */
        .cangpin-1 p,.cangpin-3 p,.cangpin-4 a,.cangpin-5 a,.cangpin-6 a{
            opacity:0;
            transform:translateY(10px);
            transition: var(--transition-smooth);
            display:block;
            margin-top:8px;
        }
        .cangpin-2 p {
            opacity:0;
            transform:translateY(10px);
            transition: var(--transition-smooth);
            display:block;
            margin-top:-26px;
        }
        .cangpin-1:hover p,.cangpin-2:hover p,.cangpin-3:hover p,
        .cangpin-4:hover a,.cangpin-5:hover a,.cangpin-6:hover a{
            opacity:1;
            transform:translateY(0);
        }

        /* ==========建筑板块【原有错落排版保留】========== 
        .jianzhu-1 {
            width:100%;
            min-height:auto;
            padding:80px 2vw;
            background: url(images/22.jpg) ;
            display:block;
            overflow:hidden;
        }
        .jianzhu-title {
            font-family:"KaiTi","STKaiti",serif;
            font-weight:bold;
            margin-left:4%;
            margin-bottom:60px;
        }
        .jianzhu-title h1 {
            font-size:clamp(60px,12vw,120px);
        }
        .jianzhu-title h2 {
            font-size:clamp(32px,5vw,60px);
        }
        .jianzhu-zhuti {
            display:block;
            background: #0f2818;
        }
            */
        /* 建筑图片错落布局：左右分散、高低错开 
        .jianzhu-zhuti img:nth-child(1){max-width:min(300px,32vw);float:left;margin:10px 25px 40px 3%;}
        .jianzhu-zhuti img:nth-child(2){max-width:min(300px,32vw);float:right;margin:60px 3% 30px 25px;}
        .jianzhu-zhuti img:nth-child(3){max-width:min(300px,32vw);float:left;margin:20px 25px 50px 8%;}
        .jianzhu-zhuti img:nth-child(4){max-width:min(300px,32vw);float:right;margin:40px 8% 30px 25px;}
        .jianzhu-zhuti img:nth-child(5){max-width:min(300px,32vw);float:left;margin:30px 25px 40px 3%;}
        .jianzhu-zhuti img:nth-child(6){max-width:min(300px,32vw);float:right;margin:50px 3% 20px 25px;}
*/
        /* ==========建筑板块【集中居中紧凑布局】========== */
/* ==========建筑板块 两张一组布局 ========== */
/* ==========建筑板块 两张一组布局 ========== */
.jianzhu-1 {
    width: 100%;
    min-height: auto;
    /* 加大内边距，给阴影留出显示空间 */
    padding: 80px 4vw;
    background: url(images/21.webp);
   
}
/* 内层容器减少上下间距，抵消外层新增padding */
.jianzhu-wrap {
     border-radius: 24px;
    /* 外层立体阴影框，向外扩散，不会被内部内容遮挡 */
    box-shadow: 0 6px 35px rgba(15, 40, 18, 0.22),
                0 0 0 3px var(--gold); /* 实体金色细边框，保证一定看得见 */
    max-width: 2000px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}
/* 标题文字样式保留 */
.jianzhu-title {
    font-family: "KaiTi", "STKaiti", serif;
    font-weight: bold;
    text-align: center;
  
}
.biaoti {
    font-family: 'Ma Shan Zheng', cursive;
    cursor: pointer;
    writing-mode: vertical-rl;
            text-orientation: upright;
            text-decoration: none;
            
}
.biaoti a {
      text-decoration: none;
      color: #0f100f;
   font-size: clamp(30px,4vw,40px);
    gap: 18px;
}
.jianzhu-title h1 {
    font-size: clamp(60px, 12vw, 120px);
    color: black;
}
.jianzhu-title h2 {
    font-size: clamp(32px, 5vw, 60px);
    color: black;
    margin-top: 8px;
}
/* 横向滚动容器修改 */
.jianzhu-zhuti {
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
    gap: 60px; /* 缩小组间距，避免空间不足截断图片 */
    overflow-x: auto;
    padding: 30px 15px;
    justify-content: flex-start; /* 从左排列，不会挤压图片 */
    align-items: center; /* 所有图片垂直居中对齐 */
}
/* 图片分组容器 */
.jianzhu-group {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    align-items: center;
}
/* 建筑图片核心修复：完整展示不裁切 */
.jianzhu-group img {
    width: min(640px, 34vw);
    height: auto; /* 取消固定高度，跟随原图比例自适应 */
    display: block;
    border-radius: 8px;
    transition: var(--transition-smooth);
    object-fit: contain; /* 完整容纳整张图，无裁切 */
    background: rgba(0,0,0,0.04); /* 空白底色，防止透明图留白突兀 */
}
.jianzhu-group img:hover {
    transform: scale(1.03);
}
/* 美化横向滚动条 */
.jianzhu-zhuti::-webkit-scrollbar {
    height: 6px;
}
.jianzhu-zhuti::-webkit-scrollbar-thumb {
    background: var(--gold);
    border-radius: 3px;
}

/* 移动端适配 */
@media screen and (max-width:992px) {
    .jianzhu-group img {
        width: min(160px, 32vw);
        height: auto;
    }
    .img-thin {
        width: min(80px, 14vw) !important;
    }
    .jianzhu-zhuti {
        gap: 25px;
    }
}
@media screen and (max-width:576px) {
    .jianzhu-wrap {
        padding: 30px 10px;
    }
}

/* 移动端适配 */
@media screen and (max-width:992px) {
    .jianzhu-group img {
        width: min(160px, 32vw);
        height: auto;
    }
    .jianzhu-zhuti {
        gap: 25px;
    }
}
@media screen and (max-width:576px) {
    .jianzhu-wrap {
        padding: 30px 10px;
    }
}

/* ==========媒体查询 移动端适配========== */
@media screen and (max-width:992px) {
    /* 导航移动端 */
    .menu-btn {
        display:block;
    }
    .nav-links {
        position:absolute;
        top:100%;
        left:0;
        width:100%;
        background:rgba(255,255,255,0.96);
        flex-direction:column;
        align-items:center;
        padding:30px 0;
        gap:20px;
        box-shadow:var(--shadow-soft);
        transform:translateY(-150%);
        opacity:0;
        pointer-events:none;
        transition:var(--transition-smooth);
    }
    .nav-links.show {
        transform:translateY(0);
        opacity:1;
        pointer-events:all;
    }
    .nav-links a {
        color:var(--text-dark) !important;
        padding:8px 0;
    }
    /* 公告栅格改为单列 */
    .news {
        grid-template-columns:1fr;
    }
    .qianzhui h2 {
        writing-mode: unset;
    }
    /* 竖向文字取消竖排 */
    .jianzhu-title {
        writing-mode: unset;
    }
    /* 移动端藏品取消环形定位，从上往下竖向排布 */
    .cangpin{min-height:auto;padding:60px 3vw;}
    .yizu-1,.yizu-2,.yizu-3,.yizu-4{
        position:static !important;
        margin:45px auto;
        width:90%;
        text-align:center;
        transform:none !important;
    }
    /* 移动端建筑自适应缩小 */
    .jianzhu-zhuti img{
        max-width:72%;
    }
}
@media screen and (max-width:576px) {
    .all {
        padding:40px 3vw;
    }
    .jianzhu-zhuti {
        gap: 25px;
    }
}
        /* 通用字体类 */
        .cu{font-family:"KaiTi","STKaiti",serif;font-weight:bold;}
        .xing{font-family:"SimSun","STSong",serif;letter-spacing:2px;}
        .kai{font-family:"Microsoft YaHei",serif;font-style:italic;}
        .shou{font-family:"LiSu","STLiti",cursive;}
        .li{font-family:"YouYuan","STYouYuan",sans-serif;}
        .shouxie{font-family:"FangSong","STFangsong",serif;}

        /* ==========媒体查询 移动端适配========== */
        @media screen and (max-width:992px) {
            /* 导航移动端 */
            .menu-btn {
                display:block;
            }
            .nav-links {
                position:absolute;
                top:100%;
                left:0;
                width:100%;
                background:rgba(255,255,255,0.96);
                flex-direction:column;
                align-items:center;
                padding:30px 0;
                gap:20px;
                box-shadow:var(--shadow-soft);
                transform:translateY(-150%);
                opacity:0;
                pointer-events:none;
                transition:var(--transition-smooth);
            }
            .nav-links.show {
                transform:translateY(0);
                opacity:1;
                pointer-events:all;
            }
            .nav-links a {
                color:var(--text-dark) !important;
                padding:8px 0;
            }
            /* 公告栅格改为单列 */
            .news {
                grid-template-columns:1fr;
            }
            .qianzhui h2 {
                writing-mode: unset;
            }
            /* 竖向文字取消竖排 */
            .jianzhu-title {
                writing-mode: unset;
            }
            /* 移动端藏品取消环形定位，从上往下竖向排布 */
            .cangpin{min-height:auto;padding:60px 3vw;}
            .yizu-1,.yizu-2,.yizu-3,.yizu-4{
                position:static !important;
                margin:45px auto;
                width:90%;
                text-align:center;
                transform:none !important;
            }
            /* 移动端建筑取消浮动，竖向平铺 */
            .jianzhu-zhuti img{
                float:none !important;
                display:block;
                margin:30px auto !important;
                max-width:75%;
            }
        }
        @media screen and (max-width:576px) {
            .all {
                padding:40px 3vw;
            }
        }
              
          .footer {
            color:black;
          background: var(--text-dark);
            width: 100%;
            padding:12px 20px;
            display:flex;
            flex-wrap:wrap;
            align-items:center;
            justify-content:space-between;
        }
        .footer-head {
            display: flex;
            flex-direction: column;
            flex:0  0 460px;
            justify-content: center;
            align-items: center;
            
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--gold), #b8944f);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
            font-weight: bold;
            font-family: 'Noto Serif SC', serif;
        }
        .footer-title {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 2px;
            font-family: 'Noto Serif SC', serif;
            color: white;
        }
        .footer-desc {
            color: rgba(193, 189, 189, 0.855);
            font-size: 18px;
            line-height: 1.5;
            margin-top:4px;
        }
        .footer-container {
            width: 2000px;
            justify-content: center;
            display:flex;
            flex-wrap:wrap;
            gap:25px;
            align-items:center;
            
        }
        .rechieve {
            display: grid;
            grid-template-columns: repeat(3,1fr);
            gap:120px;
        }
        .rechieve-right {
            display: flex;
            flex-direction: column;
            gap:20px;
         margin-left: 200px;
          
        }
        .rechieve-first,.rechieve-second,.rechieve-third{
            text-align: center;
        }
        .rechieve-fourth,.rechieve-fifth,.rechieve-sixth{
            padding:6px 8px;
            display: flex;
            align-items: center;
            gap:6px;
            width:100%;
            
        }
        
        #image-fourth,#image-fifth,#image-six {
            width:60px;
           
        }
          #image-first,#image-second,#image-third{
                    width: 90px;
          }
        #focus-first ,#focus-second,#focus-third,#focus-fourth,#focus-fifth,#focus-six{
            outline: none;
            border: none;
            color:white;
            font-size:18px;
            text-decoration:none;
        }
        #focus-first:hover,#focus-second:hover,#focus-third:hover,#focus-fourth:hover,#focus-fifth:hover,#focus-six:hover {
            cursor: pointer;
            color: #f8e9d8;
        }
        .footer-bottom {
            width:100%;
            text-align: center;
            color: white;
            font-size: 16px;
            padding-top:6px;
            margin-top:6px;
            border-top:1px solid rgba(255,255,255,0.15);
        }