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

        .hncold_page-shell {
            font-family: "PingFang SC", "Helvetica Neue", "Microsoft YaHei", "Hiragino Sans GB", Arial, sans-serif;
            color: #2c2c2c;
            background: #f9fafb;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: 0.015em;
            isolation: isolate;
        }

        /* ----- 内容主容器 ----- */
        .hncold_content-hold {
            max-width: 1120px;
            margin: 0 auto;
            padding: 28px 32px 64px;
            background: #ffffff;
            border-radius: 0 0 6px 6px;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
        }

        /* ----- 面包屑 ----- */
        .hncold_trail-bread {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: #6b7280;
            padding: 14px 0 22px;
            border-bottom: 1px solid #eef1f4;
            margin-bottom: 28px;
            list-style: none;
        }
        .hncold_trail-bread li {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hncold_trail-bread a {
            color: #4b5563;
            text-decoration: none;
            transition: color 0.18s;
        }
        .hncold_trail-bread a:hover {
            color: #1e3a5f;
            text-decoration: underline;
        }
        .hncold_trail-bread .hncold_sep-crumb {
            color: #c4c9cf;
            user-select: none;
            font-size: 12px;
        }
        .hncold_trail-bread .hncold_curr-crumb {
            color: #1e3a5f;
            font-weight: 600;
        }

        /* ----- 主Banner区：H1 + 栏目缩略图 ----- */
        .hncold_hero-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: stretch;
            margin-bottom: 40px;
            background: linear-gradient(135deg, #f8fafc 0%, #eef3f8 100%);
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid #e7ecf1;
        }
        .hncold_hero-textblk {
            padding: 36px 28px 36px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hncold_hero-textblk h1 {
            font-size: 30px;
            font-weight: 700;
            color: #1a2e44;
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .hncold_hero-textblk h1 span {
            color: #c0392b;
            font-weight: 800;
        }
        .hncold_hero-subhead {
            font-size: 15px;
            color: #5f6b7a;
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .hncold_hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hncold_badge-tag {
            display: inline-block;
            background: #ffffff;
            border: 1px solid #d4dbe3;
            color: #374151;
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        /* 栏目缩略图容器——图片替换不崩布局 */
        .hncold_hero-imgbox {
            position: relative;
            width: 100%;
            min-height: 320px;
            background: #dfe6ed;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hncold_hero-imgbox img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            display: block;
        }
        /* 图片占位提示（替换后删除即可） */
        .hncold_img-placeholder-note {
            position: absolute;
            z-index: 1;
            color: #8b97a6;
            font-size: 14px;
            text-align: center;
            pointer-events: none;
            background: rgba(255, 255, 255, 0.7);
            padding: 10px 18px;
            border-radius: 4px;
            letter-spacing: 0.04em;
        }

        /* ----- 区块标题 ----- */
        .hncold_section-head {
            font-size: 22px;
            font-weight: 700;
            color: #1a2e44;
            margin-bottom: 18px;
            padding-left: 16px;
            border-left: 4px solid #1e3a5f;
            letter-spacing: 0.025em;
            line-height: 1.4;
        }
        .hncold_section-head-sm {
            font-size: 18px;
            font-weight: 700;
            color: #1e3a5f;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        /* ----- 通用段落卡片 ----- */
        .hncold_card-block {
            background: #fdfdfd;
            border: 1px solid #e9edf2;
            border-radius: 6px;
            padding: 26px 28px;
            margin-bottom: 24px;
        }
        .hncold_card-block p {
            margin-bottom: 10px;
            color: #3d454f;
            font-size: 15px;
            line-height: 1.78;
        }
        .hncold_card-block p:last-child {
            margin-bottom: 0;
        }

        /* ----- 技术参数表格 ----- */
        .hncold_param-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 20px;
        }
        .hncold_param-cell {
            background: #fafbfc;
            border: 1px solid #e7ecf1;
            border-radius: 5px;
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hncold_param-label {
            font-size: 13px;
            color: #7c8798;
            letter-spacing: 0.03em;
            font-weight: 500;
            text-transform: uppercase;
        }
        .hncold_param-value {
            font-size: 16px;
            font-weight: 700;
            color: #1a2e44;
            letter-spacing: 0.02em;
        }
        .hncold_param-note {
            font-size: 12px;
            color: #9aa3b0;
            margin-top: 2px;
        }

        /* 保温层容积透明度计算块 */
        .hncold_volume-calc {
            background: #fffdf5;
            border: 1px dashed #d4c88c;
            border-radius: 6px;
            padding: 20px 24px;
            margin-bottom: 20px;
            font-size: 14px;
            color: #5c4a1f;
            line-height: 1.8;
        }
        .hncold_volume-calc strong {
            color: #3d2e0a;
        }

        /* ----- 资质列表 ----- */
        .hncold_cert-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px 16px;
            list-style: none;
            padding: 0;
            margin-bottom: 16px;
        }
        .hncold_cert-list li {
            background: #f7f9fb;
            border: 1px solid #e3e8ed;
            border-radius: 4px;
            padding: 11px 15px;
            font-size: 14px;
            color: #374151;
            letter-spacing: 0.015em;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }
        .hncold_cert-list li::before {
            content: "◆";
            color: #1e3a5f;
            font-size: 10px;
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* ----- 服务流程 ----- */
        .hncold_flow-track {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 12px;
            margin-bottom: 20px;
        }
        .hncold_flow-step {
            text-align: center;
            background: #fafcfd;
            border: 1px solid #e4eaf0;
            border-radius: 6px;
            padding: 20px 12px;
            position: relative;
        }
        .hncold_flow-num {
            display: inline-block;
            width: 36px;
            height: 36px;
            line-height: 36px;
            border-radius: 50%;
            background: #1e3a5f;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .hncold_flow-title {
            font-weight: 700;
            font-size: 14px;
            color: #1a2e44;
            margin-bottom: 4px;
        }
        .hncold_flow-desc {
            font-size: 12px;
            color: #6b7583;
            line-height: 1.5;
        }

        /* ----- 造价构成 ----- */
        .hncold_cost-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin-bottom: 18px;
        }
        .hncold_cost-item {
            background: #fefefe;
            border: 1px solid #eaedf1;
            border-radius: 5px;
            padding: 16px 18px;
            text-align: center;
        }
        .hncold_cost-item .hncold_cost-icon {
            font-size: 26px;
            margin-bottom: 6px;
            color: #1e3a5f;
        }
        .hncold_cost-name {
            font-weight: 700;
            font-size: 14px;
            color: #1a2e44;
            margin-bottom: 3px;
        }
        .hncold_cost-detail {
            font-size: 12px;
            color: #7c8798;
            line-height: 1.5;
        }

        /* ----- 行业场景 ----- */
        .hncold_scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            margin-bottom: 16px;
        }
        .hncold_scene-card {
            background: #f9fbfc;
            border: 1px solid #e5eaf0;
            border-radius: 6px;
            padding: 18px 14px;
            text-align: center;
            font-weight: 600;
            font-size: 14px;
            color: #374151;
            letter-spacing: 0.02em;
            transition: border-color 0.2s;
        }
        .hncold_scene-card:hover {
            border-color: #b0bec5;
        }

        /* ----- FAQ折叠区 ----- */
        .hncold_faq-item {
            border-bottom: 1px solid #eef1f5;
            padding: 16px 0;
        }
        .hncold_faq-q {
            font-weight: 700;
            font-size: 15px;
            color: #1a2e44;
            cursor: default;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .hncold_faq-a {
            font-size: 14px;
            color: #4b5563;
            line-height: 1.75;
            padding-left: 8px;
        }

        /* ----- 联系咨询条 ----- */
        .hncold_cta-strip {
            background: #1e3a5f;
            color: #ffffff;
            border-radius: 8px;
            padding: 28px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            margin-top: 32px;
        }
        .hncold_cta-text {
            font-size: 17px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1.6;
        }
        .hncold_cta-text small {
            display: block;
            font-weight: 400;
            font-size: 13px;
            opacity: 0.8;
            margin-top: 2px;
            letter-spacing: 0.02em;
        }
        .hncold_cta-phone {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 0.04em;
            white-space: nowrap;
            color: #ffd966;
        }

        /* ----- 响应式 ----- */
        @media (max-width: 860px) {
            .hncold_hero-panel {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .hncold_hero-imgbox {
                min-height: 220px;
                order: -1;
            }
            .hncold_hero-textblk {
                padding: 24px 20px;
            }
            .hncold_hero-textblk h1 {
                font-size: 24px;
            }
            .hncold_param-grid {
                grid-template-columns: 1fr;
            }
            .hncold_cert-list {
                grid-template-columns: 1fr;
            }
            .hncold_flow-track {
                grid-template-columns: repeat(2, 1fr);
            }
            .hncold_cost-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hncold_scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hncold_cta-strip {
                flex-direction: column;
                text-align: center;
            }
            .hncold_content-hold {
                padding: 16px 16px 40px;
                margin: 0 8px;
                border-radius: 0;
            }
        }
        @media (max-width: 500px) {
            .hncold_flow-track {
                grid-template-columns: 1fr;
            }
            .hncold_cost-grid {
                grid-template-columns: 1fr;
            }
            .hncold_scene-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hncold_hero-textblk h1 {
                font-size: 20px;
            }
            .hncold_cta-phone {
                font-size: 22px;
            }
        }