@import url("https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,900&display=swap");
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background: #f4f7fc;
            font-family: Source Han Sans CN, Microsoft JhengHei, PingFang SC, Source Han Serif SC, Microsoft YaHei, sans-serif; 
            color: #0a2540;
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        /* 滚动条美观 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #e2e8f0;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb {
            background: #94a3b8;
            border-radius: 10px;
        }

        .container {
            max-width: 88%;
            margin: 0 auto;
            padding:5rem 0rem 8rem 0;
        }

        /* ========= 第一板块 ========= */
        .hero {
            
            border-radius: 0rem;
            padding:15rem 6% 15rem 6%;
            margin-bottom: 3rem;            
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        /* 滚动渐变背景元素 (上下左右来回滚动) */
        .rolling-glow {
            position: absolute;
            bottom: 5vw;
            left: 0;
            width: 600px;
            height: 360px;
            background: radial-gradient(circle, #096bb3, #16b2aa, #16b2aa);
            filter: blur(76px);
            opacity: 0.7;
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
            animation: rollAround 7s infinite alternate ease-in-out;
        }

        @keyframes rollAround {
            0% {
                transform: translate(0%, 0%) scale(1);
                border-radius: 60% 40% 50% 50%;
            }
            30% {
                transform: translate(70%, -18px) scale(1.1);
                border-radius: 40% 60% 30% 70%;
            }
            60% {
                transform: translate(30%, -30px) scale(0.95);
                border-radius: 50% 50% 45% 55%;
            }
            100% {
                transform: translate(85%, -8px) scale(1.2);
                border-radius: 35% 65% 70% 30%;
            }
        }

        .hero-left, .hero-right {
            position: relative;
            z-index: 2;
        }

        .hero-split {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .hero-left {
            flex: 1.2;
        }

        .hero-right {
            flex: 0.25;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 1.2rem;
        }

        .eng-title {font-family: "Poppins", sans-serif;line-height: 6vw;text-transform: uppercase;
            font-size: 6vw;
            font-weight: 700;
            letter-spacing: -0.02em;
            background: linear-gradient(120deg, #0f2b3d, #2563eb);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            margin-bottom: 0.5rem;
        }

        .cn-title {
            font-size: 2rem;
            font-weight: 600;
            color: #0f172a;
            border-left: 0px solid #3b82f6;
            padding-left: 0rem;
            margin-top: 0.3rem;
        }

        .sub-item {
            background: rgba(255,255,255,0.75);
            backdrop-filter: blur(4px);
            padding: 1rem 1.8rem;
            border-radius: 2rem;
            font-size: 1vw;
            font-weight: 600;
            text-align: center;
            transition: all 0.2s;
            box-shadow: 0 4px 8px rgba(0,0,0,0.02);
            border: 0px solid rgba(59,130,246,0.25);
        }
        .sub-item:first-child {
            color: #096bb3;
            background: #eef2ff;
        }
        .sub-item:last-child {
            color: #0f172a;
        }

        /* 标题缓入动画 */
        .fade-up-target {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s cubic-bezier(0.2, 0.9, 0.4, 1.2), transform 0.7s cubic-bezier(0.2, 0.9, 0.4, 1.2);
        }
        .fade-up-target.visible {
            opacity: 1;
            transform: translateY(0);
        }
		
		.fangkong{width:100%;margin-bottom: 5vw;}
		.fangkong h3{font-size: 2vw;
    color: #222;
    text-align: left;
    padding-bottom: 3vw;}
		.fangkong img{width:100%;border-radius: 30px;}

        /* ========= 新闻列表 ========= */
        .news-section {overflow: hidden;
            margin-top: 1rem;}
        
        .zhipul{width: 40%;
    float: left;
    margin-right: 0%;}
		.zhipul img{width:100%;border-radius: 30px;}
		.zhipur{float: right;
    width: 50%;}
		.zhipur p{font-size: .9vw;
    color: #333;
    line-height: 1.8vw;}
	.btn-out {
    margin-top: 5vw;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background:linear-gradient(96deg, #096bb3 0%, #16b2aa 97.7%);
    padding: .7rem 2.8rem;
    border-radius: 50px;
    font-weight: 600;
    color: #fff;
    transition: 0.2s;
    text-decoration: none;
    cursor: pointer;
    font-size: 1vw;}
	.btn-out img{width: 2vw;}
        .btn-outline:hover {
            border: 1px solid #a7c677;
            color: #a7c677;
        }
       .btn-out:hover {
            border: 0px solid #a7c677;
            color: #fff;
        }
/* ============================================================
   移动端适配样式 - 质谱中心页面
   适用屏幕宽度: 最大 768px
   使用方法: 复制此代码到页面 <style> 标签中，或保存为独立CSS文件引入
   ============================================================ */

/* ---------- 全局移动端基础 ---------- */
@media (max-width: 768px) {
    body {
        font-size: 14px;
        overflow-x: hidden;
    }

    .container {
        max-width: 94%;
        padding: 2rem 0 4rem 0;
    }

    /* ---------- 导航栏 ---------- */
    .navbar {
        position: relative;
        z-index: 1000;
    }

    .nav-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        padding: 0.6rem 1.2rem;
        background: #ffffff;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        position: relative;
    }

    .logo {
        flex: 0 0 auto;
        max-width: 120px;
    }
    .logo img {
        width: 100%;
        height: auto;
        display: block;
    }

    /* 汉堡按钮 - 确保显示 */
    .menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        font-size: 1.8rem;
        color: #0a2540;
        cursor: pointer;
        padding: 0.4rem 0.6rem;
        border-radius: 6px;
        transition: background 0.2s;
        -webkit-tap-highlight-color: transparent;
    }
    .menu-toggle:hover,
    .menu-toggle:active {
        background: rgba(9, 107, 179, 0.08);
    }
    .menu-toggle i {
        pointer-events: none;
    }

    /* 菜单容器 - 默认隐藏，由JS控制显示 */
    .menu-wrapper {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
        padding: 0.8rem 1.2rem 1.8rem;
        border-radius: 0 0 16px 16px;
        max-height: 80vh;
        overflow-y: auto;
        z-index: 999;
        flex-direction: column;
        width: 100%;
        transition: all 0.3s ease;
    }

    /* 当菜单打开时 - 假设JS添加 .active 或 .open 类，或直接操作 display */
    .menu-wrapper.active,
    .menu-wrapper.open,
    .menu-wrapper[style*="display: block"] {
        display: flex !important;
    }

    .menu-wrapper .menu {
        display: flex;
        flex-direction: column;
        gap: 0.2rem;
        list-style: none;
        padding: 0;
        margin: 0 0 0.8rem 0;
        width: 100%;
    }

    .menu-wrapper .menu > li {
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.04);
        position: relative;
    }
    .menu-wrapper .menu > li:last-child {
        border-bottom: none;
    }

    .menu-wrapper .menu > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.7rem 0.2rem;
        font-size: 1rem;
        font-weight: 500;
        color: #0a2540;
        text-decoration: none;
        transition: color 0.2s;
        width: 100%;
        -webkit-tap-highlight-color: transparent;
    }
    .menu-wrapper .menu > li > a:active {
        color: #096bb3;
    }

    /* 下拉菜单 - 移动端展开显示 */
    .menu-wrapper .dropdown-menu {
        display: block !important;
        position: static !important;
        background: transparent !important;
        box-shadow: none !important;
        padding: 0 0 0.4rem 0.8rem !important;
        margin: 0 !important;
        border-radius: 0 !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        pointer-events: auto !important;
        width: 100%;
        min-width: auto !important;
        border: none !important;
        transition: none !important;
    }

    .menu-wrapper .dropdown-menu li {
        width: 100%;
        border-bottom: none !important;
    }

    .menu-wrapper .dropdown-menu li a {
        display: block;
        padding: 0.5rem 0.2rem 0.5rem 0.6rem;
        font-size: 0.9rem;
        font-weight: 400;
        color: #334155;
        text-decoration: none;
        transition: color 0.2s;
        -webkit-tap-highlight-color: transparent;
    }
    .menu-wrapper .dropdown-menu li a:active {
        color: #096bb3;
    }

    /* 有下拉的父级添加指示符 (纯CSS，不依赖JS) */
    .has-dropdown > a::after {
        content: "▾";
        font-size: 0.7rem;
        margin-left: 0.5rem;
        color: #94a3b8;
        transition: transform 0.25s;
    }
    .has-dropdown > a:active::after {
        transform: rotate(180deg);
    }

    /* 语言切换 */
    .lang-switch {
        display: flex;
        gap: 0.5rem;
        padding-top: 0.6rem;
        border-top: 1px solid rgba(0, 0, 0, 0.06);
        margin-top: 0.2rem;
    }
    .lang-switch .lang-btn {
        background: transparent;
        border: 1px solid #d1d5db;
        padding: 0.3rem 0.9rem;
        border-radius: 20px;
        font-size: 0.8rem;
        color: #4b5563;
        cursor: pointer;
        transition: all 0.2s;
        -webkit-tap-highlight-color: transparent;
    }
    .lang-switch .lang-btn.active {
        background: #096bb3;
        border-color: #096bb3;
        color: #fff;
    }
    .lang-switch .lang-btn:active {
        transform: scale(0.95);
    }

    /* ---------- Hero 区域 ---------- */
    .hero {
        padding: 6rem 5% 4rem 5% !important;
        margin-bottom: 1.5rem !important;
        border-radius: 0 !important;
        min-height: auto;
    }

    .hero-split {
        flex-direction: column !important;
        gap: 1.2rem !important;
        align-items: flex-start !important;
    }

    .hero-left {
        flex: 1 1 100% !important;
        width: 100%;
    }

    .hero-right {
        flex: 1 1 100% !important;
        width: 100%;
        flex-direction: row !important;
        flex-wrap: wrap;
        gap: 0.6rem !important;
        justify-content: flex-start;
    }

    .eng-title {
        font-size: 8vw !important;
        line-height: 8vw !important;
        letter-spacing: -0.01em !important;
        margin-bottom: 0.2rem !important;
        background: linear-gradient(120deg, #0f2b3d, #2563eb) !important;
        -webkit-background-clip: text !important;
        background-clip: text !important;
        color: transparent !important;
		margin-top:12vw;
    }

    .cn-title {
        font-size: 1.6rem !important;
        padding-left: 0 !important;
        border-left: none !important;
        margin-top: 0.1rem !important;
    }

    .sub-item {
        font-size: 0.75rem !important;
        padding: 0.5rem 1.2rem !important;
        border-radius: 1.6rem !important;
        white-space: nowrap;
        background: rgba(255, 255, 255, 0.85) !important;
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
    }

    /* 滚动光效 - 移动端调整位置和大小 */
    .rolling-glow {
        width: 280px !important;
        height: 200px !important;
        bottom: 2vw !important;
        left: -20px !important;
        filter: blur(60px) !important;
        opacity: 0.5 !important;
        animation-duration: 6s !important;
    }

    /* ---------- 新闻 / 内容区域 ---------- */
    .news-section {
        margin-top: 0.5rem;
        overflow: visible;
    }

    .fangkong {
        width: 100% !important;
        margin-bottom: 3vw !important;
    }
    .fangkong h3 {
        font-size: 4.5vw !important;
        text-align: left;
        padding-bottom: 3vw !important;
        line-height: 1.5;
    }
    .fangkong img {
        width: 100% !important;
        border-radius: 16px !important;
        height: auto;
        display: block;
    }

    /* 左右布局 -> 上下布局 */
    .zhipul {
        width: 100% !important;
        float: none !important;
        margin-right: 0 !important;
        margin-bottom: 1.6rem !important;
    }
    .zhipul img {
        width: 100% !important;
        border-radius: 16px !important;
        height: auto;
        display: block;
    }


    .zhipur {
        width: 100% !important;
        float: none !important;
        padding: 0 !important;
    }
    .zhipur p {
        font-size: 0.95rem !important;
        line-height: 1.7 !important;
        color: #1e293b;
        margin-bottom: 1.2rem;
    }

    /* 按钮 */
    .btn-out {
        font-size: 0.9rem !important;
        padding: 0.6rem 1.8rem !important;
        border-radius: 50px !important;
        display: inline-flex !important;
        align-items: center !important;
        gap: 8px !important;
        background: linear-gradient(96deg, #096bb3 0%, #16b2aa 97.7%) !important;
        color: #fff !important;
        text-decoration: none !important;
        cursor: pointer !important;
        transition: all 0.25s;
        border: none !important;
        -webkit-tap-highlight-color: transparent;
    }
    .btn-out:active {
        transform: scale(0.96);
        opacity: 0.85;
    }
    .btn-out img {
        width: 1.6rem !important;
        height: auto;
        display: inline-block;
        vertical-align: middle;
    }

    /* ---------- Footer 移动端适配 ---------- */
    .footer {
        padding: 2.4rem 1.2rem 1.2rem !important;
        background: #0f172a;
        color: #cbd5e1;
    }

    .footer .juzhong {
        display: flex !important;
        flex-direction: column !important;
        gap: 2rem !important;
        max-width: 100% !important;
        padding: 0 !important;
    }

    .footer-menu {
        display: flex !important;
        flex-direction: column !important;
        gap: 1.6rem !important;
        width: 100% !important;
    }

    .footer-menu .foot {
        width: 100% !important;
        padding: 0 !important;
    }
    .footer-menu .foot > a {
        font-size: 1.1rem !important;
        font-weight: 600;
        color: #f1f5f9;
        display: block;
        margin-bottom: 0.6rem;
        text-decoration: none;
    }
    .footer-menu .foot ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 0.3rem;
    }
    .footer-menu .foot ul li a {
        font-size: 0.85rem !important;
        color: #94a3b8;
        text-decoration: none;
        transition: color 0.2s;
        padding: 0.2rem 0;
        display: inline-block;
        -webkit-tap-highlight-color: transparent;
    }
    .footer-menu .foot ul li a:active {
        color: #e2e8f0;
    }

    .f_ban {
        width: 100% !important;
        float: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    .f_ban b.f_top {
        font-size: 1.1rem !important;
        color: #f1f5f9;
        display: block;
        margin-bottom: 0.8rem;
    }
    .f_ban p {
        font-size: 0.82rem !important;
        line-height: 1.6 !important;
        color: #94a3b8;
        margin-bottom: 0.6rem;
        word-break: break-word;
    }
    .f_ban p span {
        display: block;
        margin-top: 0.1rem;
        color: #b9c7da;
    }

    .footcr {
        width: 100% !important;
        display: flex !important;
        justify-content: center !important;
        gap: 2rem !important;
        padding: 0 !important;
        margin: 0.8rem 0 0 !important;
    }
    .footcr ul {
        display: flex !important;
        gap: 2rem !important;
        list-style: none;
        padding: 0 !important;
        margin: 0 !important;
        justify-content: center;
        flex-wrap: wrap;
    }
    .footcr ul li {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 0.3rem !important;
    }
    .footcr ul li img {
        width: 72px !important;
        height: 72px !important;
        object-fit: cover;
        border-radius: 12px !important;
        border: 2px solid rgba(255, 255, 255, 0.08);
        display: block;
    }
    .footcr ul li dd {
        font-size: 0.7rem !important;
        color: #94a3b8;
        margin: 0;
        text-align: center;
    }

    .footcll {
        width: 100% !important;
        padding: 1.2rem 0 0.4rem !important;
        text-align: center !important;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        margin-top: 1.6rem;
    }
    .footcll .footc {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
    }
    .footcll .footcl {
        width: 100% !important;
        padding: 0 !important;
    }
    .footcll .copyright {
        font-size: 0.7rem !important;
        color: #64748b;
        line-height: 1.6;
    }
    .footcll .copyright a {
        color: #64748b;
        text-decoration: none;
        margin-left: 0.4rem;
    }
    .footcll .copyright a:active {
        color: #94a3b8;
    }

    /* ---------- 辅助类 & 细节 ---------- */
    /* 按钮悬停效果改为触摸反馈 */
    .btn-outline:hover {
        border-color: #a7c677 !important;
        color: #a7c677 !important;
    }

    /* 图片自适应 */
    img {
        max-width: 100%;
        height: auto;
    }

    /* 移除桌面端的浮动影响 */
    .clearfix-mobile {
        clear: both;
    }

    /* 保证所有卡片内容不溢出 */
    .news-item,
    .fangkong,
    .zhipul,
    .zhipur {
        overflow: hidden;
        word-wrap: break-word;
    }

    /* 触摸设备点击高亮优化 */
    a,
    button,
    .btn-out,
    .lang-btn,
    .menu-toggle {
        -webkit-tap-highlight-color: rgba(9, 107, 179, 0.12);
    }

    /* 平滑滚动 */
    .hero,
    .news-section,
    .footer {
        -webkit-overflow-scrolling: touch;
    }
}



/* ============================================================
   平板 / 大屏手机横屏 (569px - 768px) 微调
   ============================================================ */
@media (min-width: 569px) and (max-width: 768px) {
    .hero-right {
        flex-direction: row !important;
        flex-wrap: wrap;
        gap: 0.8rem !important;
    }
    .sub-item {
        font-size: 0.8rem !important;
        padding: 0.5rem 1.4rem !important;
    }

    .zhipul {
        width: 45% !important;
        float: left !important;
        margin-right: 5% !important;
        margin-bottom: 0 !important;
    }
    .zhipur {
        width: 50% !important;
        float: right !important;
    }
    .zhipur p {
        font-size: 0.85rem !important;
        line-height: 1.6 !important;
    }

    .footer-menu {
        flex-direction: row !important;
        flex-wrap: wrap;
        gap: 1.2rem !important;
    }
    .footer-menu .foot {
        flex: 1 1 45% !important;
        min-width: 140px;
    }
}

/* ============================================================
   强制修复：防止电脑端样式泄漏到移动端
   ============================================================ */
@media (max-width: 768px) {
    /* 重置所有浮动 */
    .zhipul,
    .zhipur,
    .f_ban,
    .footcr {
        float: none !important;
    }

    /* 重置flex */
    .hero-split,
    .nav-container,
    .footer .juzhong,
    .footer-menu {
        flex-wrap: wrap !important;
    }

    /* 确保块级元素不溢出 */
    .container,
    .hero,
    .news-section,
    .footer {
        overflow-x: hidden !important;
    }

    /* 去除可能干扰的绝对定位 */
    .dropdown-menu {
        position: static !important;
    }

    /* 重置宽度为100% */
    .hero-left,
    .hero-right,
    .zhipul,
    .zhipur,
    .f_ban,
    .footcr,
    .footer-menu .foot {
        width: 100% !important;
        max-width: 100% !important;
    }

    /* 移除可能的不需要的间距 */
    .hero-split {
        gap: 1rem !important;
    }
}