/* banner 开始 */
/* banner 开始 */
/* banner 开始 */
        
        .css_img_banner_wrap {
            position: relative; width: 100%; height: 600px;
            display: flex; flex-direction: column; align-items: center; justify-content: center; overflow: hidden; background: rgb(160, 174, 192) radial-gradient(circle, rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 100%);
        }

        .css_img_starry { 
            position: absolute; width: 100%; height: 100%; 
            background-image: 
                radial-gradient(1.5px 1.5px at 45% 45%, #fff 100%, transparent), 
                radial-gradient(2.5px 2.5px at 15% 85%, #fff 100%, transparent); 
            background-size: 300px 300px; -webkit-mask-image: radial-gradient(circle, black 15%, transparent 80%); mask-image: radial-gradient(circle, black 15%, transparent 80%); 
        }

        .css_img_text_overlay { z-index: 999; text-align: center; color: #fff; margin-bottom: 40px; padding: 0 20px; }
        .css_img_main_title { font-size: 56px; letter-spacing: 12px; font-weight: 600; margin-bottom: 15px; }
        .css_img_sub_title { font-size: 20px; letter-spacing: 6px; opacity: 0.9; font-weight: 300; }

        .css_img_contact_icon { 
            width: 120px; height: 120px; position: relative; 
            display: flex; align-items: center; justify-content: center;
        }
        
        /* 定位坐标针样式 */
        .css_img_loc_pin { 
            width: 30px; height: 30px; background: #fff; border-radius: 50% 50% 50% 0; 
            /* CSS3：旋转产生经典的工业坐标针物理效果 */
            transform: rotate(-45deg); 
            animation: css_img_jump 1s infinite alternate cubic-bezier(0.45, 0.05, 0.55, 0.95); 
        }

        @media (max-width: 1024px) { 
            .css_img_banner_wrap { height: 500px; } .css_img_main_title { font-size: 42px; } 
        }

        /* 手机端 280px 紧凑级联修改 */
        @media (max-width: 768px) { 
            .css_img_banner_wrap { height: 280px; } 
            .css_img_text_overlay { margin-bottom: 18px; padding: 0 15px; }
            .css_img_main_title { font-size: 26px; letter-spacing: 5px; margin-bottom: 6px; } 
            .css_img_sub_title { font-size: 12px; letter-spacing: 1.5px; line-height: 1.4; }
            
            /* 压缩外层图标盒 */
            .css_img_contact_icon { width: 54px; height: 54px; }
            /* 关键点：对坐标针本身的尺寸与物理跳动幅度等比调小，防止超出 280px 边界 */
            .css_img_loc_pin { width: 16px; height: 16px; animation: css_img_mobile_jump 1s infinite alternate cubic-bezier(0.45, 0.05, 0.55, 0.95); }
        }

        /* PC端垂直轴向跳动 */
        @keyframes css_img_jump { from { transform: rotate(-45deg) translateY(0); } to { transform: rotate(-45deg) translateY(-25px); } }
        /* 手机端微距紧凑跳动 */
        @keyframes css_img_mobile_jump { from { transform: rotate(-45deg) translateY(0); } to { transform: rotate(-45deg) translateY(-10px); } }
/* banner 结束 */
/* banner 结束 */
/* banner 结束 */

 
 
 
 
 
 
 
 
 
 
 
 
 
 /* 整体区块上下留白 */
    .contact_zb_box {
        padding: 0px 16px 60px 16px;
        /* background-color: var(--color-gray-50); 极浅灰背景，凸显卡片层次 */
    }
    /* PC端容器尺寸 (复用您的设定) */
    .contact_zb_box_con {
        max-width: 1600px;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
        /* padding: 0 24px;  增加左右内边距，让大屏不贴边 */
    }
        
        
        /* ----- 模块容器 ----- */
        .contact_section {
            display: block;
            width: 100%;
            padding: 4rem 0rem;
            background-color: var(--color-white);
        }

        /* 内容版心 —— grid 实现最大宽度自适应 */
        .contact_container {
            display: grid;
            grid-template-columns: minmax(0, 1fr);
            /* max-width: 1280px; */
            margin: 0 auto;
            width: 100%;
            gap: 2.5rem;
        }

        /* ----- 公司名称 (独占一行，大气醒目) ----- */
        .contact_company-name {
            display: flex;
            flex-direction: column;
            text-align: left;
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: 2px;
            color: var(--color-gray-900);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--color-gray-200);
            margin-bottom: 0.5rem;
        }
        .contact_company-name .accent {
            color: #000;
            font-weight: 800;
        }

        .contact_company-name .accent_en{
            font-size: 1.25rem;
        }

        /* ----- 头部区域 (标题) ----- */
        .contact_header {
            text-align: center;
        }

        .contact_supertitle {
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--color-primary);
            margin-bottom: 0.8rem;
        }

        .contact_main-title {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--color-gray-900);
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        .contact_subhead {
            max-width: 650px;
            margin: 0 auto;
            font-size: 1.1rem;
            color: var(--color-gray-600);
            line-height: 1.6;
        }

        /* ----- 四个联系卡片网格 (电脑端四列，平板两列，手机单列) ----- */
        .contact_info-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
            margin: 0.5rem 0 0.5rem;
        }

        .contact_info-card {
            display: flex;
            flex-direction: column;
            background-color: var(--color-gray-50);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-gray-100);
            box-shadow: var(--shadow-sm);
            padding: 1.8rem 1.4rem;
            transition: box-shadow var(--transition-normal), transform var(--transition-fast);
            text-decoration: none;
            color: inherit;
            height: 100%;
        }

        .contact_info-icon {
            display: inline-block;
            font-size: 2rem;
            margin-bottom: 1.2rem;
            color: #0454dc;
            /* background: rgba(4, 84, 220, 0.05); */
            background-color: #e5e7eb;
            width: 64px;
            height: 64px;
            border-radius: 16px;
            text-align: center;
            line-height: 64px;
            margin-right: 1rem;
        }

        .contact_info-icon i{
            font-size: 2.5rem;
            color: #374151;
        }

        .contact_info-title {
            font-size: 2rem;
            font-weight: 650;
            color: var(--color-gray-900);
            margin-bottom: 0.5rem;
        }

        .contact_info-desc {
            font-size: 0.9rem;
            color: var(--color-gray-600);
            margin-bottom: 1rem;
            line-height: 1.5;
            flex: 1;
        }

        .contact_info-contact {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
            border-top: 1px dashed var(--color-gray-200);
            padding-top: 1rem;
            margin-top: auto;
        }

        .contact_info-phone,
        .contact_info-email {
            font-size: 1.25rem;
            color: var(--color-gray-700);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .contact_info-phone i,
        .contact_info-email i {
            font-size: 1.5rem;
            margin-right: 0.75rem;
        }

        .contact_info-email {
            /* color: var(--color-primary); */
            color: #374151;
        }

        /* ----- 详细地址 (独占一行，醒目的装饰条) ----- */
        .contact_address-block {
            background: linear-gradient(145deg, #f8faff, #ffffff);
            border-radius: var(--radius-lg);
            padding: 1.8rem 2.2rem;
            border: 1px solid var(--color-gray-200);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            margin: 0.5rem 0;
        }

        .contact_address-icon-large {
            /* color: #0454dc; */
            color:#374151
        }

        .contact_address-icon-large i{
            font-size: 1.5rem;
        }

        .contact_address-detail {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--color-gray-800);
            text-align: center;
        }

        .contact_address-detail strong {
            color: var(--color-gray-900);
            font-weight: 700;
        }

        /* ----- 表单卡片 (独占一行) ----- */
        .contact_form-card {
/*            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2.5rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-gray-100);*/
            width: 100%;
        }

        .contact_form-title {
            font-size: 1.8rem;
            font-weight: 650;
            color: var(--color-gray-900);
            margin-bottom: 0.5rem;
        }

        .contact_form-desc {
            color: var(--color-gray-600);
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }

        .contact_form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .contact_form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .contact_form-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .contact_form-label {
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--color-gray-700);
        }

        .contact_form-input,
        .contact_form-textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            background-color: var(--color-white);
            border: 1.5px solid var(--color-gray-200);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            transition: border var(--transition-fast), box-shadow var(--transition-fast);
        }

        .contact_form-input:focus,
        .contact_form-textarea:focus {
            outline: none;
            border-color: #0454dc;
            box-shadow: 0 0 0 3px rgba(4, 84, 220, 0.12);
        }

        .contact_form-textarea {
            resize: vertical;
            min-height: 130px;
        }

        .contact_form-submit {
            margin-top: 0.5rem;
        }

        .contact_btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
            padding: 0.9rem 2.5rem;
            background-color: #0454dc;
            color: white;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 40px;
            border: none;
            box-shadow: 0 8px 18px rgba(4, 84, 220, 0.25);
            transition: background-color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
            border: 1px solid #0454dc;
        }

        .contact_btn:hover {
            background-color: #0347b8;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(4, 84, 220, 0.3);
        }

        .contact_btn-arrow {
            font-size: 1.3rem;
        }

        /* ----- 地图卡片 (独占一行) ----- */
        .contact_map-card {
            display: none;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-gray-100);
            /* display: flex; */
            flex-direction: column;
            width: 100%;
        }

        .contact_map-media {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 7;
            background: linear-gradient(145deg, #dce3ec, #c2cedc);
        }

        .contact_map-img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
            background-color: #b0c2d9;
        }

        .contact_map-media:hover .contact_map-img {
            transform: scale(1.01);
        }

        .contact_map-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            color: white;
            padding: 0.6rem 1.5rem;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            pointer-events: none;
            z-index: 2;
        }

        .contact_map-footer {
            padding: 1.5rem 2rem;
            background: var(--color-white);
            border-top: 1px solid var(--color-gray-100);
        }

        .contact_map-address {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 1rem;
            color: var(--color-gray-700);
        }

        /* ========== 平板适配 (max-width: 1024px) ========== */
        @media (max-width: 1024px) {
            .contact_section {
                padding: 2rem 0rem;
            }
            .contact_company-name {
                font-size: 1.9rem;
            }
            .contact_main-title {
                font-size: 2.4rem;
            }
            /* 四个卡片变为两列 */
            .contact_info-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .contact_form-card {
                /* padding: 2rem 1.8rem; */
            }
            .contact_form-row {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .contact_address-block {
                padding: 1.5rem;
            }
        }

        /* ========== 手机适配 (max-width: 768px) ========== */
        @media (max-width: 768px) {
            .contact_section {
                padding: 2rem 0rem;
            }
            .contact_container {
                gap: 2rem;
            }
            .contact_company-name {
                text-align: center;
            }

            .contact_company-name .accent {
                font-size: 1.25rem;
            }

            .contact_company-name .accent_en {
                font-size: 0.6rem;
            }

            .contact_main-title {
                font-size: 0.75rem;
            }
            .contact_subhead {
                font-size: 1rem;
            }
            /* 四个卡片单列 */
            .contact_info-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .contact_info-card {
                padding: 1.5rem;
            }
            .contact_form-card {
                /* padding: 1.8rem 1.2rem; */
            }
            .contact_form-title {
                font-size: 1.5rem;
            }
            .contact_address-block {
                flex-direction: column;
                text-align: center;
            }
            .contact_address-detail {
                font-size: 1rem;
            }
            .contact_map-footer {
                padding: 1.2rem;
            }
            .contact_btn {
                width: 100%;
            }
            .contact_map-media {
                aspect-ratio: 4 / 3;
            }
        }

        /* 全局过渡 */
        .contact_info-card, .contact_btn {
            transition: all 0.2s ease;
        }