/* Modern Eco-Industrial B2B Blog Styling (White, Light Green, Black) */
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            line-height: 1.6;
            color: #2c3e50;
            background-color: #ffffff;
            margin: 0;
            padding: 0;
        }
        .article-container {
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        h1 {
            font-size: 2.2em;
            color: #111111;
            line-height: 1.3;
            margin-bottom: 20px;
        }
        h2 {
            font-size: 1.6em;
            color: #111111;
            border-left: 4px solid #2bc47a; /* 浅绿主调 */
            padding-left: 12px;
            margin-top: 40px;
            margin-bottom: 20px;
        }
        h3 {
            font-size: 1.25em;
            color: #222222;
            margin-top: 25px;
            margin-bottom: 15px;
        }
        p {
            margin-top: 0;
            margin-bottom: 20px;
            color: #333333;
        }
        .article-meta {
            font-size: 0.9em;
            color: #666666;
            border-bottom: 1px solid #eeeeee;
            padding-bottom: 15px;
            margin-bottom: 30px;
        }
        .key-takeaways {
            background-color: #f7fbf9; /* 浅绿微调背景 */
            border: 1px solid #e2f3ec;
            border-radius: 6px;
            padding: 24px;
            margin-bottom: 35px;
        }
        .key-takeaways h2 {
            border-left: none;
            padding-left: 0;
            margin-top: 0;
            color: #111111;
            font-size: 1.3em;
        }
        .key-takeaways ul {
            margin: 0;
            padding-left: 20px;
        }
        .key-takeaways li {
            margin-bottom: 10px;
            color: #333333;
        }
        blockquote {
            margin: 30px 0;
            padding: 15px 20px;
            background-color: #f9f9f9;
            border-left: 4px solid #2bc47a; /* 浅绿装饰线 */
            font-style: italic;
            color: #444444;
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            margin: 30px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95em;
            text-align: left;
        }
        th, td {
            padding: 12px 15px;
            border-bottom: 1px solid #e9ecef;
        }
        th {
            background-color: #111111; /* 纯黑/深灰表头 */
            color: #ffffff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background-color: #fcfdfe;
        }
        .case-study {
            background-color: #f9f9f9;
            border: 1px solid #e5e5e5;
            border-radius: 8px;
            padding: 24px;
            margin: 30px 0;
        }
        .cta-box-green {
            background: #ebf9f2; /* 浅绿主色调盒 */
            border: 1px solid #2bc47a;
            border-radius: 8px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .cta-box-black {
            background: #ffffff;
            border: 1px solid #111111; /* 黑色调盒 */
            border-radius: 8px;
            padding: 20px 24px;
            margin: 24px 0;
        }
        .cta-box-green p, .cta-box-black p {
            margin: 0;
            color: #111111;
        }
        .cta-box-green a, .cta-box-black a {
            color: #2bc47a;
            font-weight: bold;
            text-decoration: underline;
        }
        .cta-box-green a:hover, .cta-box-black a:hover {
            color: #111111;
        }
        pre {
            background: #191919; /* 黑色代码块 */
            color: #ffffff;
            padding: 18px;
            border-radius: 6px;
            overflow-x: auto;
            font-family: Consolas, Monaco, monospace;
            font-size: 0.9em;
            line-height: 1.5;
        }
        .article-footer {
            background: #111111; /* 黑色底部收尾 */
            color: #ffffff;
            padding: 40px;
            border-radius: 8px;
            margin-top: 50px;
            text-align: center;
        }
        .article-footer h3 {
            color: #ffffff;
            margin-top: 0;
            font-size: 1.5em;
        }
        .article-footer p {
            color: #cccccc;
            font-size: 1em;
            line-height: 1.6;
            max-width: 600px;
            margin: 0 auto 25px auto;
        }
        .btn-green {
            display: inline-block;
            background: #2bc47a; /* 浅绿高亮按钮 */
            color: #ffffff !important;
            padding: 12px 28px;
            border-radius: 6px;
            text-decoration: none !important;
            font-weight: bold;
            margin-right: 12px;
            transition: background 0.2s ease;
        }
        .btn-green:hover {
            background: #229e62;
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: #ffffff !important;
            border: 2px solid #2bc47a;
            padding: 10px 26px;
            border-radius: 6px;
            text-decoration: none !important;
            font-weight: bold;
            transition: background 0.2s ease;
        }
        .btn-outline:hover {
            background: #2bc47a;
        }
        .footer-note {
            color: #777777 !important;
            font-size: 0.85em;
            margin-top: 15px !important;
            margin-bottom: 0 !important;
        }
        .references {
            font-size: 0.9em;
            color: #666666;
            margin-top: 40px;
            border-top: 1px solid #eeeeee;
            padding-top: 20px;
        }
        .references ol {
            padding-left: 20px;
        }
        .references li {
            margin-bottom: 8px;
        }