/* ========== Contact 页面 - 极简风格 ========== */
        * { margin: 0; padding: 0; box-sizing: border-box; }

        .contact_page {
            background: #fff;
            color: #1a1a1a;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }

        /* ===== 首屏 Hero ===== */
        .contact_hero {
            position: relative;
            padding: 140px 60px 80px;
            background: #fff;
        }
        .contact_hero .en_title {
            font-size: clamp(36px, 5.5vw, 80px);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -1px;
            color: #1a1a1a;
            margin-bottom: 30px;
        }
        .contact_hero .en_title .highlight {
            position: relative;
            display: inline-block;
        }
        .contact_hero .en_title .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 4px;
            width: 100%;
            height: 14px;
            background: #c8e6a0;
            z-index: -1;
        }
        .contact_hero .cn_subtitle {
            font-size: clamp(16px, 1.8vw, 22px);
            font-weight: 400;
            line-height: 1.6;
            color: #666;
            max-width: 600px;
            letter-spacing: 1px;
        }

        /* ===== 主体区域：左联系信息 + 右表单 ===== */
        .contact_main {
            display: flex;
            gap: 80px;
            padding: 60px 60px 120px;
            max-width: 1400px;
            margin: 0 auto;
        }

        /* ----- 左侧：联系信息 ----- */
        .contact_info {
            flex: 0 0 215px;
        }
        .contact_info .section_label {
            font-size: 12px;
            letter-spacing: 3px;
            color: #999;
            text-transform: uppercase;
            margin-bottom: 30px;
        }
        .contact_info .info_item {
            margin-bottom: 36px;
        }
        .contact_info .info_item .label {
            font-size: 13px;
            color: #999;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }
        .contact_info .info_item .value {
            font-size: 18px;
            color: #1a1a1a;
            font-weight: 600;
            line-height: 1.5;
        }
        .contact_info .info_item .value a {
            color: #1a1a1a;
            text-decoration: none;
            transition: color 0.3s;
        }
        .contact_info .info_item .value a:hover {
            color: #D42B1E;
        }
        .contact_info .info_item .value .sub {
            display: block;
            font-size: 14px;
            color: #666;
            font-weight: 400;
            margin-top: 4px;
        }
        .contact_info .qr_wrap {
            margin-top: 40px;
            padding: 24px;
            border: 1px solid #eee;
            border-radius: 8px;
            text-align: center;
        }
        .contact_info .qr_wrap .qr_img {
            width: 140px;
            height: 140px;
            background: #f5f5f5;
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ccc;
            font-size: 12px;
        }
        .contact_info .qr_wrap .qr_text {
            font-size: 13px;
            color: #666;
        }

        /* ----- 右侧：表单 ----- */
        .contact_form_wrap {
            flex: 1;
            min-width: 0;
        }
        .form_section {
            margin-bottom: 48px;
        }
        .form_section .section_title {
            font-size: 14px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 20px;
            letter-spacing: 1px;
            padding-bottom: 12px;
            border-bottom: 1px solid #eee;
        }
        .form_section .section_title .num {
            display: inline-block;
            width: 24px;
            height: 24px;
            line-height: 24px;
            text-align: center;
            background: #1a1a1a;
            color: #fff;
            font-size: 12px;
            border-radius: 50%;
            margin-right: 10px;
            vertical-align: middle;
        }

        /* 输入框样式 */
        .form_row {
            display: flex;
            gap: 20px;
            margin-bottom: 20px;
        }
        .form_group {
            flex: 1;
            margin-bottom: 20px;
        }
        .form_row .form_group {
            margin-bottom: 0;
        }
        .form_group label {
            display: block;
            font-size: 13px;
            color: #666;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .form_group label .required {
            color: #D42B1E;
            margin-left: 4px;
        }
        .form_group input[type="text"],
        .form_group input[type="tel"],
        .form_group input[type="email"],
        .form_group textarea {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 15px;
            color: #1a1a1a;
            background: #fff;
            transition: border-color 0.3s, box-shadow 0.3s;
            font-family: inherit;
            outline: none;
        }
        .form_group input:focus,
        .form_group textarea:focus {
            border-color: #1a1a1a;
            box-shadow: 0 0 0 3px rgba(0,0,0,0.05);
        }
        .form_group textarea {
            min-height: 120px;
            resize: vertical;
            line-height: 1.6;
        }

        /* 选项标签样式（单选/多选） */
        .options_group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .options_group .option_item {
            position: relative;
        }
        .options_group .option_item input {
            position: absolute;
            opacity: 0;
            pointer-events: none;
        }
        .options_group .option_item label {
            display: inline-block;
            padding: 10px 20px;
            border: 1px solid #ddd;
            border-radius: 30px;
            font-size: 14px;
            color: #666;
            cursor: pointer;
            transition: all 0.25s;
            user-select: none;
            margin-bottom: 0;
            background: #fff;
        }
        .options_group .option_item label:hover {
            border-color: #1a1a1a;
            color: #1a1a1a;
        }
        .options_group .option_item input:checked + label {
            background: #1a1a1a;
            border-color: #1a1a1a;
            color: #fff;
        }

        /* 提交按钮 */
        .form_submit {
            margin-top: 40px;
            text-align: center;
        }
        .btn_submit {
            display: inline-block;
            padding: 18px 80px;
            background: #1a1a1a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 2px;
            cursor: pointer;
            transition: all 0.3s;
            font-family: inherit;
        }
        .btn_submit:hover {
            background: #D42B1E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212,43,30,0.25);
        }
        .btn_submit:active {
            transform: translateY(0);
        }
        .form_tip {
            margin-top: 16px;
            font-size: 13px;
            color: #999;
        }

        /* 错误提示 */
        .form_group.error input,
        .form_group.error textarea {
            border-color: #D42B1E;
        }
        .form_group .error_msg {
            display: none;
            font-size: 12px;
            color: #D42B1E;
            margin-top: 6px;
        }
        .form_group.error .error_msg {
            display: block;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .contact_hero { padding: 120px 40px 60px; }
            .contact_main {
                flex-direction: column;
                gap: 60px;
                padding: 40px 40px 80px;
            }
            .contact_info {
                flex: none;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 0 40px;
            }
            .contact_info .section_label {
                grid-column: 1 / -1;
            }
            .contact_info .qr_wrap {
                grid-column: 1 / -1;
                max-width: 300px;
            }
        }
        @media (max-width: 640px) {
            .contact_hero { padding: 100px 24px 40px; }
            .contact_main { padding: 30px 24px 60px; gap: 40px; }
            .contact_info {
                grid-template-columns: 1fr;
            }
            .form_row {
                flex-direction: column;
                gap: 0;
            }
            .form_row .form_group {
                margin-bottom: 20px;
            }
            .options_group .option_item label {
                padding: 8px 16px;
                font-size: 13px;
            }
            .btn_submit {
                width: 100%;
                padding: 16px 40px;
            }
        }