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

        .xn-freezer-page {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 15px;
            line-height: 1.72;
            color: #2c2c2c;
            background: #f7f5f0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: 0.02em;
            isolation: isolate;
            margin-top: 90px;
        }

        /* ---- 内容主容器 ---- */
        .xn-page-wrap {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .xn-page-wrap {
                padding: 0 16px;
            }
        }

        /* ---- 面包屑 ---- */
        .xn-crumb-trail {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            padding: 18px 0 10px 0;
            font-size: 13px;
            color: #6b6b6b;
            letter-spacing: 0.03em;
            border-bottom: 1px solid #e4ded4;
            margin-bottom: 22px;
        }
        .xn-crumb-trail a {
            color: #5a4e3c;
            text-decoration: none;
            transition: color 0.22s;
        }
        .xn-crumb-trail a:hover {
            color: #b8751f;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .xn-crumb-sep {
            color: #bfb7a8;
            user-select: none;
            font-weight: 300;
        }
        .xn-crumb-current {
            color: #1a1a1a;
            font-weight: 600;
        }

        /* ---- H1 核心标题 ---- */
        .xn-hero-block {
            padding: 34px 0 28px 0;
            border-bottom: 2px solid #d9cfbd;
            margin-bottom: 36px;
        }
        .xn-hero-block h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.35;
            color: #1a1a1a;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .xn-hero-block h1 .xn-hl-brand {
            color: #8b5e2f;
        }
        .xn-hero-subtitle {
            font-size: 16px;
            color: #555;
            letter-spacing: 0.03em;
            font-weight: 400;
            max-width: 780px;
        }

        /* ---- 服务定位卡片 ---- */
        .xn-position-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .xn-position-cards {
                grid-template-columns: 1fr;
            }
        }
        .xn-pos-card {
            background: #ffffff;
            border: 1px solid #e7e1d6;
            border-radius: 6px;
            padding: 24px 22px;
            transition: box-shadow 0.28s, border-color 0.28s;
        }
        .xn-pos-card:hover {
            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.07);
            border-color: #c9b896;
        }
        .xn-pos-card .xn-pos-icon {
            font-size: 32px;
            margin-bottom: 10px;
            display: block;
        }
        .xn-pos-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .xn-pos-card p {
            font-size: 13.5px;
            color: #5c5c5c;
            line-height: 1.65;
        }

        /* ---- 硬核参数区块 ---- */
        .xn-tech-spec-section {
            background: #ffffff;
            border: 1px solid #e7e1d6;
            border-radius: 8px;
            padding: 32px 28px;
            margin-bottom: 36px;
        }
        .xn-tech-spec-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: #1a1a1a;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .xn-tech-spec-section .xn-section-note {
            font-size: 13px;
            color: #888;
            margin-bottom: 22px;
            letter-spacing: 0.03em;
        }
        .xn-spec-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            letter-spacing: 0.03em;
        }
        .xn-spec-table thead th {
            background: #f4efe6;
            color: #3d3224;
            font-weight: 700;
            padding: 12px 14px;
            text-align: left;
            border-bottom: 2px solid #d9cfbd;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .xn-spec-table tbody td {
            padding: 11px 14px;
            border-bottom: 1px solid #eee8db;
            color: #333;
        }
        .xn-spec-table tbody tr:hover td {
            background: #fdfbf7;
        }
        .xn-spec-table .xn-col-label {
            font-weight: 600;
            color: #4a3e2c;
            white-space: nowrap;
        }
        .xn-highlight-box {
            background: #fef9f0;
            border-left: 4px solid #b8751f;
            padding: 16px 20px;
            margin-top: 20px;
            border-radius: 0 6px 6px 0;
            font-size: 13.5px;
            color: #4a3820;
            letter-spacing: 0.03em;
            line-height: 1.7;
        }
        .xn-highlight-box strong {
            color: #8b5e2f;
        }

        /* ---- 保温层容积透明说明 ---- */
        .xn-volume-disclosure {
            background: #fafaf7;
            border: 1px dashed #c9b896;
            border-radius: 8px;
            padding: 26px 24px;
            margin-bottom: 36px;
        }
        .xn-volume-disclosure h3 {
            font-size: 18px;
            font-weight: 700;
            color: #2c2418;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }
        .xn-volume-disclosure .xn-vol-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin-top: 14px;
        }
        @media (max-width: 768px) {
            .xn-volume-disclosure .xn-vol-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .xn-vol-item {
            background: #fff;
            border-radius: 6px;
            padding: 16px 14px;
            text-align: center;
            border: 1px solid #e8e2d5;
        }
        .xn-vol-item .xn-vol-thick {
            font-size: 20px;
            font-weight: 700;
            color: #8b5e2f;
            display: block;
        }
        .xn-vol-item .xn-vol-desc {
            font-size: 12px;
            color: #777;
            margin-top: 4px;
            line-height: 1.5;
        }

        /* ---- 服务流程 ---- */
        .xn-flow-section {
            margin-bottom: 36px;
        }
        .xn-flow-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: #1a1a1a;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .xn-flow-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
            counter-reset: xn-step-counter;
        }
        @media (max-width: 768px) {
            .xn-flow-steps {
                grid-template-columns: 1fr;
            }
        }
        .xn-step-card {
            background: #ffffff;
            border: 1px solid #e7e1d6;
            border-radius: 8px;
            padding: 20px 16px;
            position: relative;
            counter-increment: xn-step-counter;
            transition: box-shadow 0.28s;
        }
        .xn-step-card:hover {
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .xn-step-card::before {
            content: counter(xn-step-counter);
            display: block;
            width: 32px;
            height: 32px;
            line-height: 32px;
            background: #8b5e2f;
            color: #fff;
            border-radius: 50%;
            text-align: center;
            font-weight: 700;
            font-size: 15px;
            margin-bottom: 10px;
        }
        .xn-step-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 5px;
            letter-spacing: 0.03em;
        }
        .xn-step-card p {
            font-size: 12.5px;
            color: #666;
            line-height: 1.6;
        }

        /* ---- 材料配套说明 ---- */
        .xn-material-section {
            background: #ffffff;
            border: 1px solid #e7e1d6;
            border-radius: 8px;
            padding: 30px 28px;
            margin-bottom: 36px;
        }
        .xn-material-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: #1a1a1a;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .xn-material-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .xn-material-grid {
                grid-template-columns: 1fr;
            }
        }
        .xn-mat-item {
            padding: 16px;
            border-radius: 6px;
            background: #fdfbf7;
            border: 1px solid #ece5d7;
        }
        .xn-mat-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: #3d3224;
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }
        .xn-mat-item p {
            font-size: 13px;
            color: #5c5c5c;
            line-height: 1.6;
        }
        .xn-mat-disclaimer {
            margin-top: 16px;
            font-size: 12px;
            color: #999;
            letter-spacing: 0.03em;
            line-height: 1.6;
        }

        /* ---- 图片展示区（可替换图片） ---- */
        .xn-gallery-section {
            margin-bottom: 36px;
        }
        .xn-gallery-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: #1a1a1a;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .xn-img-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        @media (max-width: 768px) {
            .xn-img-row {
                grid-template-columns: 1fr;
            }
        }
        .xn-img-holder {
            position: relative;
            width: 100%;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            border-radius: 8px;
            background: #e8e2d5;
            border: 1px solid #ddd7c8;
        }
        .xn-img-holder img {
            display: block;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s;
        }
        .xn-img-holder:hover img {
            transform: scale(1.04);
        }
        .xn-img-caption {
            font-size: 12.5px;
            color: #777;
            text-align: center;
            margin-top: 8px;
            letter-spacing: 0.03em;
        }

        /* ---- FAQ区块 ---- */
        .xn-faq-section {
            margin-bottom: 36px;
        }
        .xn-faq-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: #1a1a1a;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .xn-faq-item {
            background: #ffffff;
            border: 1px solid #e7e1d6;
            border-radius: 6px;
            padding: 18px 20px;
            margin-bottom: 10px;
            transition: border-color 0.25s;
        }
        .xn-faq-item:hover {
            border-color: #c9b896;
        }
        .xn-faq-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: #2c2418;
            margin-bottom: 4px;
            letter-spacing: 0.03em;
            cursor: default;
        }
        .xn-faq-item p {
            font-size: 13.5px;
            color: #555;
            line-height: 1.7;
        }

        /* ---- 询价/联系条 ---- */
        .xn-cta-strip {
            background: #3d3224;
            border-radius: 10px;
            padding: 32px 28px;
            margin-bottom: 40px;
            color: #f5efe2;
            text-align: center;
        }
        .xn-cta-strip h3 {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            color: #fff;
        }
        .xn-cta-strip p {
            font-size: 14px;
            color: #d5ccbc;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .xn-cta-strip .xn-cta-note {
            font-size: 13px;
            color: #b5a890;
            letter-spacing: 0.03em;
        }
        .xn-cta-strip .xn-cta-tel {
            display: inline-block;
            font-size: 26px;
            font-weight: 700;
            color: #f0c87a;
            letter-spacing: 0.05em;
            text-decoration: none;
            margin: 0 10px;
            transition: color 0.25s;
        }
        .xn-cta-strip .xn-cta-tel:hover {
            color: #ffe0a0;
        }

        /* ---- 页尾备注 ---- */
        .xn-footer-note {
            text-align: center;
            font-size: 11.5px;
            color: #aaa;
            letter-spacing: 0.04em;
            padding-bottom: 30px;
            line-height: 1.6;
        }