* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        background-color: #f9fafb;
        padding: 32px 20px;
        margin: 0;
        color: #1f2937;
    }

    .container {
        max-width: 1000px;
        margin: 0 auto;
        background: #ffffff;
        border-radius: 28px;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.05);
        padding: 40px 36px 48px;
    }

    p {
        font-size: 15.5px;
        line-height: 1.7;
        color: #2c3e4f;
        margin-bottom: 1.2em;
    }

    .section-title {
        clear: both;
        font-size: 21px;
        font-weight: 700;
        color: #0f172a;
        margin: 2em 0 0.8em;
        padding-left: 14px;
        border-left: 4px solid #007BFF;
    }

    strong {
        color: #0f172a;
    }

    /* 限制浮动图片只影响当前段落 */
    .image-text-block {
        display: flow-root;
        margin-bottom: 10px;
    }

    /* 第一张图片：右侧浮动，文字环绕 */
    .float-img-right {
        float: right;
        display: block;
        width: 40%;
        max-width: 350px;
        height: auto;
        margin: 5px 0 16px 26px;
        border-radius: 14px;
        box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
    }

    /* 第2、3张及第4、5张：两张并列 */
    .image-pair {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
        width: 100%;
        margin: 10px 0 24px;
    }

    .image-pair img {
        display: block;
        width: 100%;
        aspect-ratio: 4 / 3;
        object-fit: cover;
        border-radius: 14px;
        box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
    }

    /* 第6张图片：正中显示 */
    .center-image-box {
        width: 100%;
        text-align: center;
        margin: 10px 0 24px;
    }

    .center-image {
        display: block;
        width: 72%;
        max-width: 680px;
        height: auto;
        margin: 0 auto;
        border-radius: 14px;
        box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
    }

    /* 重点问题小卡片 */
    .question-card {
        clear: both;
        background: #f0f6ff;
        border: 1px solid #cfe4ff;
        border-left: 4px solid #007BFF;
        border-radius: 14px;
        margin: 20px 0 24px;
        padding: 18px 22px;
        box-shadow: 0 3px 10px rgba(0, 123, 255, 0.06);
    }

    .question-card p {
        color: #111111;
        font-size: 16px;
        line-height: 1.7;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .question-card p:last-child {
        margin-bottom: 0;
    }

    .question-card strong {
        color: #111111;
    }

    /* 联系方式小卡片 */
    .cta-box {
        text-align: center;
        background: #ffffff;
        border-radius: 28px;
        margin-top: 34px;
        padding: 26px 22px;
        border: 1px solid #e5e7eb;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.03);
    }

    .cta-box .cta-text {
        font-size: 15px;
        font-weight: normal;
        margin-bottom: 20px;
    }

    .cta-box .contact-line {
        font-size: 14px;
        line-height: 1.6;
        color: #4b5563;
        margin-bottom: 6px;
    }

    .cta-box .contact-line:last-of-type {
        margin-bottom: 20px;
    }

    .cta-box a {
        color: #007BFF;
        text-decoration: none;
    }

    .cta-box a:hover {
        text-decoration: underline;
    }

    .btn {
        display: inline-block;
        padding: 14px 32px;
        background-color: #007BFF;
        color: #ffffff !important;
        text-decoration: none !important;
        font-size: 16px;
        font-weight: 600;
        border-radius: 40px;
        transition: background 0.2s ease;
        border: none;
        cursor: pointer;
        text-align: center;
    }

    .btn:hover {
        background-color: #0069d9;
        text-decoration: none;
    }

    @media (max-width: 760px) {
        body {
            padding: 20px 12px;
        }

        .container {
            padding: 20px 16px 32px;
            border-radius: 20px;
        }

        .float-img-right {
            float: none;
            width: 100%;
            max-width: 100%;
            margin: 10px 0 20px;
        }

        .image-pair {
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .image-pair img {
            aspect-ratio: auto;
            height: auto;
        }

        .center-image {
            width: 100%;
            max-width: 100%;
        }

        .question-card {
            padding: 16px 18px;
        }

        .question-card p {
            font-size: 15.5px;
        }
    }