.xn_pagewrap,
        .xn_pagewrap *,
        .xn_pagewrap *::before,
        .xn_pagewrap *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        .xn_pagewrap {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: #2e353b;
            background: #f5f7fa;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px 60px;
        }

        /* ========== 面包屑 ========== */
        .xn_breadcrumb_nav {
            padding: 18px 0 10px;
            font-size: 14px;
            color: #6b7785;
            letter-spacing: 0.3px;
        }
        .xn_breadcrumb_nav a {
            color: #3a5a7c;
            text-decoration: none;
            transition: color 0.2s;
        }
        .xn_breadcrumb_nav a:hover {
            color: #1a3a5c;
            text-decoration: underline;
        }
        .xn_breadcrumb_sep {
            margin: 0 8px;
            color: #bcc4cf;
            user-select: none;
        }
        .xn_breadcrumb_current {
            color: #1a2b3c;
            font-weight: 600;
        }

        /* ========== 核心 Hero 区域 ========== */
        .xn_hero_panel {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            align-items: stretch;
            background: #ffffff;
            border-radius: 6px;
            padding: 0;
            overflow: hidden;
            border: 1px solid #e4e9f0;
            box-shadow: 0 2px 12px rgba(26, 42, 58, 0.04);
        }
        .xn_hero_imgzone {
            flex: 1 1 480px;
            min-height: 340px;
            background: #e8ecf2;
            position: relative;
            overflow: hidden;
            /* 栏目缩略图容器 - 替换src即可，aspect-ratio保持16:10，object-fit确保不崩 */
            aspect-ratio: 16 / 10;
        }
        .xn_hero_imgzone img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .xn_hero_img_tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(26, 42, 58, 0.78);
            color: #ffffff;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 3px;
            letter-spacing: 0.5px;
            pointer-events: none;
        }
        .xn_hero_content {
            flex: 1 1 380px;
            padding: 32px 28px 28px 8px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .xn_hero_content h1 {
            font-size: 28px;
            font-weight: 700;
            color: #1a2b3c;
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .xn_hero_content h1 .xn_h1_highlight {
            color: #1e5a8a;
            display: inline;
        }
        .xn_hero_desc {
            font-size: 15.5px;
            color: #4a5568;
            line-height: 1.75;
            margin-bottom: 18px;
            letter-spacing: 0.2px;
        }
        .xn_hero_params_row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 8px;
        }
        .xn_hero_param_item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .xn_hero_param_val {
            font-size: 22px;
            font-weight: 700;
            color: #1a2b3c;
            letter-spacing: 0.3px;
        }
        .xn_hero_param_lbl {
            font-size: 13px;
            color: #7b8a9b;
            letter-spacing: 0.3px;
        }

        /* ========== 通用板块标题 ========== */
        .xn_section_block {
            margin-top: 40px;
        }
        .xn_section_hd {
            margin-bottom: 22px;
        }
        .xn_section_hd h2 {
            font-size: 22px;
            font-weight: 700;
            color: #1a2b3c;
            letter-spacing: 0.4px;
            padding-bottom: 10px;
            border-bottom: 2px solid #dce4ed;
            display: inline-block;
        }
        .xn_section_hd .xn_hd_sub {
            font-size: 14px;
            color: #6b7785;
            margin-top: 4px;
            letter-spacing: 0.3px;
        }

        /* ========== 服务能力卡片网格 ========== */
        .xn_capability_grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 18px;
        }
        .xn_cap_card {
            background: #ffffff;
            border: 1px solid #e4e9f0;
            border-radius: 5px;
            padding: 22px 20px;
            transition: box-shadow 0.2s;
        }
        .xn_cap_card:hover {
            box-shadow: 0 4px 16px rgba(26, 42, 58, 0.07);
        }
        .xn_cap_card_icon {
            width: 44px;
            height: 44px;
            border-radius: 4px;
            background: #eaf1f8;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            font-size: 20px;
            color: #1e5a8a;
        }
        .xn_cap_card h3 {
            font-size: 16px;
            font-weight: 700;
            color: #1a2b3c;
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .xn_cap_card p {
            font-size: 14px;
            color: #5a6575;
            line-height: 1.65;
        }

        /* ========== 技术参数透明展示区 ========== */
        .xn_techspec_panel {
            background: #ffffff;
            border: 1px solid #e4e9f0;
            border-radius: 6px;
            overflow: hidden;
        }
        .xn_techspec_table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14.5px;
        }
        .xn_techspec_table thead th {
            background: #f0f3f7;
            padding: 14px 16px;
            text-align: left;
            font-weight: 700;
            color: #1a2b3c;
            letter-spacing: 0.3px;
            border-bottom: 2px solid #dce4ed;
            font-size: 13.5px;
            text-transform: uppercase;
        }
        .xn_techspec_table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid #eef1f5;
            color: #3a4555;
            vertical-align: top;
        }
        .xn_techspec_table tbody tr:hover td {
            background: #fafbfc;
        }
        .xn_techspec_note {
            padding: 16px 18px;
            font-size: 13px;
            color: #6b7785;
            background: #fafbfc;
            border-top: 1px solid #eef1f5;
            letter-spacing: 0.2px;
            line-height: 1.7;
        }
        .xn_techspec_note strong {
            color: #1a2b3c;
        }

        /* ========== 资质矩阵 ========== */
        .xn_qualification_wrap {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 14px;
        }
        .xn_qual_item {
            background: #ffffff;
            border: 1px solid #e4e9f0;
            border-radius: 5px;
            padding: 16px 18px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: box-shadow 0.2s;
        }
        .xn_qual_item:hover {
            box-shadow: 0 3px 10px rgba(26, 42, 58, 0.05);
        }
        .xn_qual_badge {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #e8f0f7;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #1e5a8a;
            font-weight: 700;
        }
        .xn_qual_info h4 {
            font-size: 14px;
            font-weight: 700;
            color: #1a2b3c;
            margin-bottom: 2px;
            letter-spacing: 0.2px;
        }
        .xn_qual_info span {
            font-size: 12.5px;
            color: #7b8a9b;
            letter-spacing: 0.2px;
        }

        /* ========== 物流冷库专项设计要点 ========== */
        .xn_logistics_grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 18px;
        }
        .xn_logi_card {
            background: #ffffff;
            border: 1px solid #e4e9f0;
            border-radius: 5px;
            padding: 20px 22px;
            border-left: 4px solid #1e5a8a;
            transition: box-shadow 0.2s;
        }
        .xn_logi_card:hover {
            box-shadow: 0 4px 14px rgba(26, 42, 58, 0.06);
        }
        .xn_logi_card h3 {
            font-size: 16px;
            font-weight: 700;
            color: #1a2b3c;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .xn_logi_card p {
            font-size: 14px;
            color: #4a5568;
            line-height: 1.65;
        }

        /* ========== 服务流程 ========== */
        .xn_flow_steps {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            counter-reset: xnflow;
        }
        .xn_flow_step {
            flex: 1 1 180px;
            min-width: 150px;
            background: #ffffff;
            border: 1px solid #e4e9f0;
            border-radius: 5px;
            padding: 20px 16px;
            text-align: center;
            position: relative;
            counter-increment: xnflow;
        }
        .xn_flow_step::before {
            content: counter(xnflow);
            display: block;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #1e5a8a;
            color: #ffffff;
            font-weight: 700;
            font-size: 15px;
            line-height: 36px;
            margin: 0 auto 10px;
        }
        .xn_flow_step h4 {
            font-size: 14.5px;
            font-weight: 700;
            color: #1a2b3c;
            margin-bottom: 4px;
            letter-spacing: 0.3px;
        }
        .xn_flow_step span {
            font-size: 12.5px;
            color: #6b7785;
        }
        /* 流程箭头（桌面端可见） */
        @media (min-width: 900px) {
            .xn_flow_step:not(:last-child)::after {
                content: '';
                position: absolute;
                right: -12px;
                top: 50%;
                transform: translateY(-50%);
                width: 0;
                height: 0;
                border-top: 7px solid transparent;
                border-bottom: 7px solid transparent;
                border-left: 10px solid #c4cfdb;
                z-index: 1;
            }
        }

        /* ========== 材料说明区 ========== */
        .xn_material_panel {
            background: #ffffff;
            border: 1px solid #e4e9f0;
            border-radius: 6px;
            padding: 24px 28px;
        }
        .xn_material_panel h3 {
            font-size: 17px;
            font-weight: 700;
            color: #1a2b3c;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .xn_material_list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 10px;
        }
        .xn_material_list li {
            font-size: 14px;
            color: #3a4555;
            padding: 8px 0;
            border-bottom: 1px dashed #e8ecf2;
            letter-spacing: 0.2px;
            line-height: 1.6;
        }
        .xn_material_list li strong {
            color: #1a2b3c;
        }

        /* ========== 报价构成维度 ========== */
        .xn_quote_panel {
            background: #f8fafb;
            border: 1px solid #dce4ed;
            border-radius: 6px;
            padding: 26px 28px;
        }
        .xn_quote_panel h3 {
            font-size: 17px;
            font-weight: 700;
            color: #1a2b3c;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .xn_quote_dimensions {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 12px;
        }
        .xn_quote_dim_item {
            background: #ffffff;
            border: 1px solid #e4e9f0;
            border-radius: 4px;
            padding: 14px 16px;
            font-size: 14px;
            color: #3a4555;
            letter-spacing: 0.2px;
            line-height: 1.55;
        }
        .xn_quote_dim_item .xn_qd_label {
            font-weight: 700;
            color: #1a2b3c;
            display: block;
            margin-bottom: 4px;
            font-size: 13.5px;
        }

        /* ========== CTA 区域 ========== */
        .xn_cta_zone {
            margin-top: 40px;
            background: #1a2b3c;
            border-radius: 6px;
            padding: 32px 30px;
            text-align: center;
            color: #ffffff;
        }
        .xn_cta_zone h2 {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.4px;
            color: #ffffff;
        }
        .xn_cta_zone p {
            font-size: 14.5px;
            color: #c4cfdb;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
            line-height: 1.6;
        }
        .xn_cta_btn {
            display: inline-block;
            background: #ffffff;
            color: #1a2b3c;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 32px;
            border-radius: 4px;
            text-decoration: none;
            letter-spacing: 0.4px;
            transition: background 0.2s, transform 0.15s;
            cursor: pointer;
            border: none;
        }
        .xn_cta_btn:hover {
            background: #e8ecf2;
            transform: translateY(-1px);
        }
        .xn_cta_btn:active {
            transform: translateY(0);
        }

        /* ========== FAQ信任增强区 ========== */
        .xn_faq_list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .xn_faq_item {
            background: #ffffff;
            border: 1px solid #e4e9f0;
            border-radius: 5px;
            overflow: hidden;
        }
        .xn_faq_q {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 15px;
            color: #1a2b3c;
            cursor: default;
            letter-spacing: 0.3px;
            background: #fafbfc;
            border-bottom: 1px solid #eef1f5;
        }
        .xn_faq_a {
            padding: 16px 20px;
            font-size: 14px;
            color: #4a5568;
            line-height: 1.7;
            letter-spacing: 0.2px;
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 768px) {
            .xn_hero_panel {
                flex-direction: column;
                gap: 0;
            }
            .xn_hero_imgzone {
                min-height: 220px;
                aspect-ratio: 16 / 9;
            }
            .xn_hero_content {
                padding: 20px 18px;
            }
            .xn_hero_content h1 {
                font-size: 23px;
            }
            .xn_flow_steps {
                flex-direction: column;
                gap: 10px;
            }
            .xn_flow_step::after {
                display: none;
            }
            .xn_logistics_grid {
                grid-template-columns: 1fr;
            }
            .xn_capability_grid {
                grid-template-columns: 1fr;
            }
            .xn_qualification_wrap {
                grid-template-columns: 1fr 1fr;
            }
            .xn_quote_dimensions {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .xn_qualification_wrap {
                grid-template-columns: 1fr;
            }
            .xn_quote_dimensions {
                grid-template-columns: 1fr;
            }
            .xn_hero_param_val {
                font-size: 18px;
            }
        }