* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            background: #ffffff;
            font-family: 'Open Sans', sans-serif;
            padding: 40px 20px;
            line-height: 1.5;
        }
        .fullwidth-module {
            width: 100%;
            background-color: #f9fafb;
            border-radius: 24px;
            margin: 30px 0;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 32px 24px;
            box-sizing: border-box;
        }
        h1, h2, h3 {
            font-weight: 700;
            color: #222222;
        }
        h1 {
            font-size: 35px;
            text-align: center;
            margin-bottom: 16px;
        }
        h2 {
            font-size: 30px;
            margin: 32px 0 20px;
            border-left: 4px solid #0047AB;
            padding-left: 16px;
        }
        h3 {
            font-size: 22px;
            margin: 28px 0 16px;
            color: #0047AB;
        }
        p {
            font-size: 16px;
            line-height: 1.55;
            color: #555555;
            margin-bottom: 16px;
        }
        a {
            color: #0047AB;
            text-decoration: none;
            font-weight: 500;
        }
        a:hover {
            text-decoration: underline;
        }
        /* 品牌名：仅蓝色文字，无背景色 */
        .brand-highlight {
            font-weight: 700;
            color: #0047AB;
            text-decoration: none;
        }
        .brand-highlight:hover {
            text-decoration: underline;
        }
        ul {
            margin: 16px 0 16px 40px;
        }
        li {
            font-size: 16px;
            line-height: 1.5;
            color: #555555;
            margin-bottom: 8px;
        }
        .product-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 20px 0;
        }
        .product-tag {
            background: #f0f4fa;
            padding: 6px 14px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 600;
            color: #0047AB;
            border: 1px solid #e2e8f0;
            display: inline-block;
        }
        .product-tag a {
            color: #0047AB;
            text-decoration: none;
        }
        .product-tag a:hover {
            text-decoration: underline;
        }
        .table-responsive {
            overflow-x: auto;
            border-radius: 16px;
            border: 2px solid #cbd5e1;
            background: #ffffff;
            margin: 24px 0;
        }
        .guide-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            color: #555555;
            min-width: 500px;
        }
        .guide-table th,
        .guide-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
            vertical-align: top;
        }
        .guide-table th {
            background-color: #f8fafc;
            font-weight: 600;
            color: #0047AB;
            border-bottom: 2px solid #cbd5e1;
        }
        .guide-table tr:last-child td {
            border-bottom: none;
        }
        .quick-table {
            width: 100%;
            border-collapse: collapse;
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 2px solid #cbd5e1;
        }
        .quick-table th,
        .quick-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #e2e8f0;
            text-align: left;
            vertical-align: top;
        }
        .quick-table th {
            background-color: #f8fafc;
            font-weight: 600;
            color: #0047AB;
        }
        .quick-table tr:last-child td {
            border-bottom: none;
        }
        @media (max-width: 768px) {
            .container { padding: 28px 20px; }
            h1 { font-size: 28px; }
            h2 { font-size: 26px; }
            h3 { font-size: 20px; }
            p, li { font-size: 15px; }
            .product-tag { font-size: 12px; }
            .guide-table th, .guide-table td { padding: 8px 12px; font-size: 14px; }
            .quick-table th, .quick-table td { padding: 8px 12px; font-size: 14px; }
        }
        @media (max-width: 640px) {
            .container { padding: 24px 16px; }
            .guide-table, .guide-table thead, .guide-table tbody, .guide-table tr, .guide-table td {
                display: block;
                width: 100%;
            }
            .guide-table thead { display: none; }
            .guide-table tr {
                margin-bottom: 20px;
                border: 2px solid #cbd5e1;
                border-radius: 16px;
                overflow: hidden;
                background: #ffffff;
            }
            .guide-table td {
                display: flex;
                justify-content: space-between;
                align-items: flex-start;
                padding: 10px 16px;
                border-bottom: 1px solid #e2e8f0;
                gap: 12px;
                flex-wrap: wrap;
            }
            .guide-table td:last-child { border-bottom: none; }
            .guide-table td::before {
                content: attr(data-label);
                font-weight: 600;
                color: #0047AB;
                width: 40%;
                flex-shrink: 0;
            }
            .quick-table, .quick-table tbody, .quick-table tr, .quick-table td {
                display: block;
                width: 100%;
            }
            .quick-table thead { display: none; }
            .quick-table tr {
                margin-bottom: 20px;
                border: 2px solid #cbd5e1;
                border-radius: 16px;
                overflow: hidden;
                background: #ffffff;
            }
            .quick-table td {
                display: flex;
                justify-content: space-between;
                align-items: flex-start;
                padding: 10px 16px;
                border-bottom: 1px solid #e2e8f0;
                gap: 12px;
            }
            .quick-table td:last-child { border-bottom: none; }
            .quick-table td::before {
                content: attr(data-label);
                font-weight: 600;
                color: #0047AB;
                width: 45%;
                flex-shrink: 0;
            }
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 24px;
        }
        .btn {
            display: inline-block;
            background: transparent;
            border: 2px solid #0047AB;
            border-radius: 40px;
            padding: 8px 28px;
            font-weight: 600;
            font-size: 15px;
            color: #0047AB;
            text-decoration: none;
            transition: background 0.2s, color 0.2s;
            cursor: pointer;
        }
        .btn:hover {
            background: #0047AB;
            color: #ffffff;
            text-decoration: none;
        }
        .note-box {
            background: #eef4ff;
            border-left: 4px solid #0047AB;
            padding: 16px 20px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .note-box p {
            margin-bottom: 0;
        }
        h3 a {
            color: #0047AB;
            text-decoration: none;
        }
        h3 a:hover {
            text-decoration: underline;
        }