* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background-color: #f4faf6;
            color: #1a2e22;
            line-height: 1.75;
            padding: 40px 20px;
        }
        .container {
            max-width: 900px;
            margin: 0 auto;
            background: #ffffff;
            border-left: 6px solid #27ae60;
            padding: 48px;
            border-radius: 12px;
            box-shadow: 0 4px 18px rgba(39, 174, 96, 0.12);
        }
        .page-title {
            color: #219653;
            font-size: 26px;
            margin-bottom: 24px;
            font-weight: 600;
        }
        .banner-img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 28px;
            display:block;
        }
        .content-text {
            font-size: 17px;
            color: #2c4436;
        }
        .content-text p {
            margin-bottom: 22px;
        }
        .highlight-block {
            background-color: #edf9f1;
            padding: 20px 24px;
            border-radius: 8px;
            margin: 26px 0;
        }
        /* 移动端适配 */
        @media (max-width: 640px) {
            .container {
                padding: 24px;
            }
            .page-title {
                font-size: 21px;
            }
            .content-text {
                font-size: 16px;
            }
        }