/* ── 基础样式，橙色主题 ── */
       
        article {
            background: #ffffff;
            padding: 32px 36px;
            border-radius: 14px;
            box-shadow: 0 2px 14px rgba(0, 0, 0, 0.06);
        }
        h1 {
            font-size: 2.0rem;
            font-weight: 700;
            margin-top: 0;
            margin-bottom: 0.2rem;
            color: #b85a14;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 2.2rem;
            margin-bottom: 0.7rem;
            color: #c45a0c;
            border-left: 5px solid #e67e22;
            padding-left: 16px;
        }
        h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
            color: #b85a14;
        }
        p {
            margin: 1.0rem 0;
        }
        ul {
            list-style: none;
            padding-left: 0;
        }
        .blog {
            padding-left: 28px;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="%23e67e22" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') left center no-repeat;
            background-size: 18px;
            margin-bottom: 0.45rem;
        }
        ul li strong {
            color: #b85a14;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4rem 0;
            background: #fdf6ed;
            border-radius: 10px;
            overflow: hidden;
        }
        th,
        td {
            padding: 12px 16px;
            border: 1px solid #ebd5b3;
            text-align: left;
        }
        th {
            background: #faead6;
            font-weight: 600;
            color: #b85a14;
        }
        td:last-child {
            font-weight: 500;
            color: #c45a0c;
        }
        .product-block {
            background: #fef6ed;
            padding: 16px 20px;
            border-radius: 10px;
            margin: 1.4rem 0;
        }
        .product-block h3 {
            margin-top: 0;
            margin-bottom: 0.3rem;
            font-size: 1.1rem;
        }
        .product-block h3 a {
            color: #b85a14;
            text-decoration: none;
            border-bottom: 2px solid #e67e22;
            transition: 0.2s;
        }
        .product-block h3 a:hover {
            color: #a04d0e;
            border-bottom-color: #a04d0e;
        }
        .product-block p {
            margin: 0.3rem 0 0.1rem 0;
        }
        .product-block ul {
            margin: 0.2rem 0 0 0;
        }
        .product-block ul li {
            font-size: 0.95rem;
            margin-bottom: 0.2rem;
        }
        .cta {
            background: #faead6;
            padding: 18px 24px;
            border-radius: 10px;
            text-align: center;
            font-size: 1.1rem;
            font-weight: 500;
            margin: 2.2rem 0 0.3rem 0;
        }
        .cta a {
            color: #b85a14;
            font-weight: 700;
            text-decoration: none;
            border-bottom: 3px solid #e67e22;
            padding-bottom: 2px;
        }
        .cta a:hover {
            border-bottom-color: #a04d0e;
        }
        .footnote {
            font-size: 0.9rem;
            color: #6b5a4a;
            border-top: 1px solid #ebd5b3;
            margin-top: 2.6rem;
            padding-top: 1.4rem;
        }
        .footnote code {
            background: #f5ede4;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.85rem;
        }
        .divider {
            border: none;
            border-top: 2px dashed #ebd5b3;
            margin: 2.2rem 0 1.8rem 0;
        }
        .lang-tag {
            display: inline-block;
            background: #e67e22;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-right: 8px;
        }
        @media (max-width: 600px) {
            article {
                padding: 18px;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
        }