:root {
            --bg: #f5f6f8;
            --card: #ffffff;
            --accent: #37b6a6;
            --muted: #555;
            --radius: 12px;
            --maxw: 900px;
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto,
                'Helvetica Neue', Arial;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: #222;
            line-height: 1.6;
        }

        .contact-header {
            position: relative;
            background-image: url('../img/contact2.jpg');
            background-size: cover;
            background-position: center;
            height: 40vh;
            min-height: 200px;
            max-height: 200px;
            display: flex;
            align-items: center;
            text-align: center;
            overflow: hidden;
        }

        .contact-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.3);
        }

        .contact-header .container {
            position: relative;
            z-index: 1;
            color: white;
            width: 100%;
            padding: 0 20px;
            display: flex;
            flex-direction: column;
            /* 设置垂直排列 */
            align-items: center;
        }

        .contact-header p {
            margin-top: 10px;
            /* 添加段落间距 */
            font-size: 2rem;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
        }

        .contact-header h1 {
            font-size: 6rem;
            margin: auto;
            color: white;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
            line-height: 1.2;
            max-width: 1200px;
            word-break: break-word;
        }

        .container {
            max-width: var(--maxw);
            margin: auto;
            padding: 20px 20px;
        }

        a.link {
            color: var(--accent);
            text-decoration: none;
        }

        .card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        /* 主体布局：两行三列网格，微信二维码右侧跨两行 */
        .contacts {
            display: grid;
            grid-template-columns: 1fr 1fr 160px;
            grid-template-rows: auto auto;
            gap: 12px;
            margin-top: 18px;
        }

        /* 电话传真 */
        .contact-item.phone-fax {
            grid-column: 1 / 2;
            grid-row: 1 / 2;
            background: #fafafa;
            padding: 14px;
            border-radius: var(--radius);
            border: 1px solid #eee;
        }

        /* 邮箱网址 */
        .contact-item.email-website {
            grid-column: 2 / 3;
            grid-row: 1 / 2;
            background: #fafafa;
            padding: 14px;
            border-radius: var(--radius);
            border: 1px solid #eee;
        }

        /* 地址邮编 */
        .contact-item.address {
            grid-column: 1 / 3;
            grid-row: 2 / 3;
            background: #fafafa;
            padding: 14px;
            border-radius: var(--radius);
            border: 1px solid #eee;
        }

        /* 微信二维码 */
        .qr-code {
            grid-column: 3 / 4;
            grid-row: 1 / 3;
            background: #fafafa;
            border-radius: var(--radius);
            border: 1px solid #eee;
            padding: 14px;
            text-align: center;
            font-size: 14px;
            color: var(--muted);
            user-select: none;

            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .qr-code img {
            width: 140px;
            height: 140px;
            border-radius: 8px;
            margin-top: 6px;
            align-self: center;
        }

        /* 通用小标签 */
        .contact-item small {
            display: block;
            color: var(--muted);
            font-size: 14px;
            font-weight: 600;
            padding-top: 6px;
            /* 仅顶部有内边距，其他方向为 0 */
        }

        .contact-item strong {
            display: block;
            margin-top: 4px;
            font-size: 15px;
        }

        @media (max-width: 700px) {
            .contacts {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }

            .contact-item.phone-fax,
            .contact-item.email-website,
            .contact-item.address,
            .qr-code {
                grid-column: 1 / -1 !important;
                grid-row: auto !important;
                margin-bottom: 16px;
                width: 100%;
            }

            .qr-code {
                flex-direction: row;
                justify-content: flex-start;
                align-items: center;
                height: auto;
            }

            .qr-code img {
                width: 80px;
                height: 80px;
                margin: 0 0 0 12px;
            }
        }

        .map {
            margin-top: 30px;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid #eee;
        }