@charset "utf-8";
    :root {
        --primary-orange: #FF9800;
        --hover-orange: #E68A00;
        --bg-light: #fdfdfd;
        --text-dark: #333;
        --text-grey: #666;
        --border-color: #eeeeee;
        --container-max-width: 1480px;
    }
    
    @media (max-width: 1024px) {
        .main-content {
            padding-top: 100px;
        }
    }
    
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { 
        font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; 
        color: var(--text-dark); 
        line-height: 1.5; 
        background: #fff; 
    }

    /* --- 1. 布局容器 --- */
    .alignment-container {
        max-width: var(--container-max-width);
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 0 20px;
    }

    /* --- 2. 顶部工具栏 (Top Bar) --- */
    .top-bar { 
        background: var(--bg-light); 
        border-bottom: 1px solid var(--border-color); 
        padding: 10px 0; 
        font-size: 13px; 
        position: relative;
        z-index: 1001;
    }
    .top-left { display: flex; gap: 30px; align-items: center; }
    .contact-item { color: var(--text-grey); text-decoration: none; transition: 0.3s; display: flex; align-items: center; gap: 8px; }
    .contact-item:hover { color: var(--primary-orange); }

    /* WhatsApp 图标 */
    .wa-icon::before {
        content: "";
        display: inline-block;
        width: 16px;
        height: 16px;
        background-color: currentColor;
        mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3e%3cpath d='M380.9 97.1C339 55.1 283.2 32 223.9 32c-122.4 0-222 99.6-222 222 0 39.1 10.2 77.3 29.6 111L0 480l117.7-30.9c32.4 17.7 68.9 27 106.1 27h.1c122.3 0 224.1-99.6 224.1-222 0-59.3-25.2-115-67.1-157zm-157 341.6c-33.1 0-65.6-8.9-94-25.7l-6.7-4-69.8 18.3L72 359.2l-4.4-7c-18.5-29.4-28.2-63.3-28.2-98.2 0-101.7 82.8-184.5 184.6-184.5 49.3 0 95.6 19.2 130.4 54.1 34.8 34.9 56.2 81.2 56.1 130.5 0 101.8-84.9 184.6-186.6 184.6zm101.2-138.2c-5.5-2.8-32.8-16.2-37.9-18-5.1-1.9-8.8-2.8-12.5 2.8-3.7 5.6-14.3 18-17.6 21.8-3.2 3.7-6.5 4.2-12 1.4-5.5-2.8-23.4-8.6-44.6-27.5-16.4-14.7-27.5-32.8-30.7-38.3-3.2-5.6-.3-8.6 2.5-11.4 2.5-2.5 5.5-6.5 8.3-9.7 2.8-3.2 3.7-5.5 5.6-9.2 1.9-3.7.9-6.9-.5-9.7-1.4-2.8-12.5-30.1-17.1-41.2-4.5-10.8-9.1-9.3-12.5-9.5-3.2-.2-6.9-.2-10.6-.2-3.7 0-9.7 1.4-14.8 6.9-5.1 5.6-19.4 19-19.4 46.3 0 27.3 19.9 53.7 22.6 57.4 2.8 3.7 39.1 59.7 94.8 83.8 13.2 5.8 23.5 9.2 31.6 11.8 13.3 4.2 25.4 3.6 35 2.2 10.7-1.5 32.8-13.4 37.4-26.4 4.6-13 4.6-24.1 3.2-26.4-1.3-2.5-5-3.9-10.5-6.6z'/%3e%3c/svg%3e") no-repeat center;
        -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 448 512'%3e%3cpath d='M380.9 97.1C339 55.1 283.2 32 223.9 32c-122.4 0-222 99.6-222 222 0 39.1 10.2 77.3 29.6 111L0 480l117.7-30.9c32.4 17.7 68.9 27 106.1 27h.1c122.3 0 224.1-99.6 224.1-222 0-59.3-25.2-115-67.1-157zm-157 341.6c-33.1 0-65.6-8.9-94-25.7l-6.7-4-69.8 18.3L72 359.2l-4.4-7c-18.5-29.4-28.2-63.3-28.2-98.2 0-101.7 82.8-184.5 184.6-184.5 49.3 0 95.6 19.2 130.4 54.1 34.8 34.9 56.2 81.2 56.1 130.5 0 101.8-84.9 184.6-186.6 184.6zm101.2-138.2c-5.5-2.8-32.8-16.2-37.9-18-5.1-1.9-8.8-2.8-12.5 2.8-3.7 5.6-14.3 18-17.6 21.8-3.2 3.7-6.5 4.2-12 1.4-5.5-2.8-23.4-8.6-44.6-27.5-16.4-14.7-27.5-32.8-30.7-38.3-3.2-5.6-.3-8.6 2.5-11.4 2.5-2.5 5.5-6.5 8.3-9.7 2.8-3.2 3.7-5.5 5.6-9.2 1.9-3.7.9-6.9-.5-9.7-1.4-2.8-12.5-30.1-17.1-41.2-4.5-10.8-9.1-9.3-12.5-9.5-3.2-.2-6.9-.2-10.6-.2-3.7 0-9.7 1.4-14.8 6.9-5.1 5.6-19.4 19-19.4 46.3 0 27.3 19.9 53.7 22.6 57.4 2.8 3.7 39.1 59.7 94.8 83.8 13.2 5.8 23.5 9.2 31.6 11.8 13.3 4.2 25.4 3.6 35 2.2 10.7-1.5 32.8-13.4 37.4-26.4 4.6-13 4.6-24.1 3.2-26.4-1.3-2.5-5-3.9-10.5-6.6z'/%3e%3c/svg%3e") no-repeat center;
        mask-size: contain;
    }

    /* --- 3. 导航页眉 (Header) --- */
    header { 
        background: #fff; 
        position: sticky; 
        top: 0; 
        z-index: 1000; 
        box-shadow: 0 2px 10px rgba(0,0,0,0.05); 
    }
    .nav-wrapper { height: 90px; }
    .logo img { height: 55px; width: auto; display: block; }

    /* PC 菜单 */
    .desktop-menu { display: flex; list-style: none; height: 100%; align-items: center; }
    .nav-item { position: relative; height: 100%; display: flex; align-items: center; }
    .nav-link { text-decoration: none; color: var(--text-dark); font-weight: 700; font-size: 16px; padding: 0 20px; transition: 0.3s; }
    .nav-item:hover > .nav-link { color: var(--primary-orange); }

    .dropdown {
        position: absolute; top: 100%; left: 0; background: #fff; list-style: none; padding: 10px 0; min-width: 220px;
        box-shadow: 0 8px 30px rgba(0,0,0,0.12); opacity: 0; visibility: hidden; transform: translateY(10px); transition: 0.3s;
        z-index: 1000;
    }
    .nav-item:hover > .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
    .dropdown a { display: block; padding: 12px 20px; color: #444; text-decoration: none; font-size: 14px; }
    .dropdown a:hover { background: #fffcf5; color: var(--primary-orange); }

    .btn-inquiry {
        background: var(--primary-orange); color: #fff !important; text-decoration: none;
        height: 42px; line-height: 42px; padding: 0 25px; border-radius: 40px; font-weight: 700;
        display: inline-block;
    }

    /* --- 4. 移动端自适应 --- */
    @media (max-width: 1024px) {
        /* 置顶 WA 栏：橙色背景 + 白色文字 */
        .top-bar { 
            position: fixed; top: 0; left: 0; width: 100%; 
            background: var(--primary-orange); 
            padding: 8px 0; border: none;
            height: 40px;
            display: flex;
            align-items: center;
        }
        .top-bar-container { justify-content: center !important; }
        .top-right, .contact-item:not(.wa-only) { display: none !important; }
        
        .contact-item.wa-only { 
            color: #ffffff !important; 
            font-size: 14px; 
            font-weight: 700;
        }

        /* 调整 Header 位置防止重叠 */
        header { position: fixed; top: 40px; left: 0; width: 100%; } 
        .nav-wrapper { height: 60px; padding: 0 15px; }
        .logo img { height: 35px; }
        
        /* 桌面菜单隐藏 */
        .desktop-menu { display: none !important; }
        .mobile-toggle { display: block; font-size: 28px; color: var(--primary-orange); cursor: pointer; }

        /* 移动端隐藏询盘按钮 */
        .btn-inquiry {
            display: none;
        }

        /* 全屏抽屉式菜单 */
        .mobile-drawer {
            position: fixed; top: 0; right: -100%; width: 100%; 
            height: 100%; background: #fff; z-index: 2000; transition: 0.4s ease;
            display: flex; flex-direction: column;
        }
        .mobile-drawer.active { right: 0; }

        .drawer-header { 
            height: 60px;
            padding: 0 20px; 
            display: flex; 
            align-items: center; 
            justify-content: flex-end; 
            border-bottom: 1px solid #f0f0f0;
            flex-shrink: 0;
        }
        .close-btn { 
            font-size: 35px; 
            cursor: pointer; 
            color: var(--primary-orange); 
            padding: 5px;
            line-height: 1;
        }

        .drawer-body { flex: 1; overflow-y: auto; }

        .m-link { 
            display: flex; justify-content: space-between; align-items: center;
            padding: 18px 25px; color: var(--text-dark); text-decoration: none; 
            font-weight: 700; border-bottom: 1px solid #f9f9f9; 
        }
        .toggle-sub span { 
            font-size: 10px; color: #ccc; transition: 0.3s;
        }
        .m-sub { list-style: none; background: #fafafa; display: none; }
        .m-sub.active { display: block; }
        .m-sub .m-link { padding-left: 45px; font-weight: 500; background: #fdfdfd; justify-content: flex-start; }
        
        /* 三级菜单样式 */
        .m-sub .m-sub {
            margin-left: 20px;
            background: #f5f5f5;
        }
        .m-sub .m-sub .m-link {
            padding-left: 65px !important;
            font-size: 13px;
        }
    }
/* 桌面端三级菜单样式 */
.dropdown .dropdown {
    position: absolute;
    top: 0;
    left: 100%;
    margin-top: -10px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: 0.3s;
}

.dropdown .dropdown-item:hover > .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.dropdown-item.arrow::after {
    content: "›";
    float: right;
    font-size: 16px;
    font-weight: bold;
}
        /* 基础重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #eef2f5; /* 仅用于衬托页面容器，可自行替换 */
            line-height: 1.5;
        }

        /* 页面主容器：固定宽度1480px，居中 */
        .page-container {
            max-width: 1480px;
            width: 100%;
            margin: 0 auto;
            padding: 0 20px;        /* 左右留白，避免在小屏上贴边 */
            background: transparent;
        }

        /* CTA 区块：纯色背景，无渐变/纹理，高度300px，Flex居中 */
        .cta-block {
            width: 100%;
            height: 300px;
            min-height: 300px;
            background-color: #ff7f00; /* 纯橙黄色背景 */
            display: flex;
            align-items: center;
        }

        /* 内容容器：占满父级，内容居中 */
        .cta-content {
            width: 100%;
            padding: 0 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            gap: 1.5rem;
            height: 100%;
        }

        /* 标题：纯白，无阴影 */
        .cta-title {
            font-size: 2.8rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.2;
            max-width: 900px;
        }

        /* 描述：半透明白，无阴影 */
        .cta-description {
            font-size: 1.35rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 750px;
            margin: 0 auto;
        }

        /* 询盘按钮：纯白背景，橙色文字，简洁 */
        .cta-button {
            display: inline-block;
            background: #ffffff;
            color: #d95d00;
            font-size: 1.4rem;
            font-weight: 600;
            padding: 0.9rem 3.2rem;
            border-radius: 60px;
            text-decoration: none;
            border: none;
            cursor: pointer;
            line-height: 1.4;
            transition: background-color 0.2s, color 0.2s;
        }

        .cta-button:hover {
            background: #f5f0e8;
            color: #c44d00;
        }

        /* 手机端自适应 (≤768px 隐藏描述) */
        @media (max-width: 768px) {
            .cta-block {
                height: 300px;
                min-height: 300px;
            }

            .cta-content {
                gap: 1.2rem;
                padding: 0 20px;
            }

            .cta-title {
                font-size: 2.2rem;
                max-width: 100%;
            }

            .cta-description {
                display: none;
            }

            .cta-button {
                font-size: 1.3rem;
                padding: 0.8rem 2.5rem;
            }
        }

        /* 更小屏微调 */
        @media (max-width: 480px) {
            .cta-title {
                font-size: 1.9rem;
            }
            .cta-button {
                font-size: 1.2rem;
                padding: 0.7rem 2rem;
            }
        }

        /* 示例中其他内容样式（仅为展示页面结构） */
        .demo-header, .demo-footer {
            background: #ffffff;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            text-align: center;
            color: #2c3e50;
        }
        .demo-header h3, .demo-footer p {
            font-weight: 400;
        }
@media screen and (max-width: 480px) {
    .footer-contact li {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 5px !important;
    }
}