* {
            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: white;
            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: 1.6;
            color: #2c3e4f;
            margin-bottom: 1.2em;
        }
        .container p:first-of-type {
            margin-top: 0;
        }
        .section-title {
            font-size: 21px;
            font-weight: 700;
            color: #0f172a;
            margin: 1.8em 0 0.6em 0;
            padding-left: 14px;
            border-left: 4px solid #007BFF;
        }
        .section-title:first-of-type {
            margin-top: 0;
        }
        .divider-bold {
            margin: 40px 0 32px 0;
            border: 0;
            height: 2px;
            background: linear-gradient(to right, transparent, #cbd5e1, #94a3b8, #cbd5e1, transparent);
        }
        .cta-box {
            text-align: center;
            background: #ffffff;
            border-radius: 28px;
            margin-top: 28px;
            padding: 24px 20px;
            border: 1px solid #e5e7eb;
            box-shadow: 0 8px 20px rgba(0,0,0,0.03);
        }
        .cta-box p {
            margin-bottom: 16px;
            font-size: 18px;
            font-weight: 500;
        }
        .btn {
            display: inline-block;
            padding: 14px 32px;
            background-color: #007BFF;
            color: #fff;
            text-decoration: none;
            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: #0056b3;
        }

        .content-img {
            display: block;
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(0,0,0,0.08);
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            margin: 4px 0;
        }
        .content-img:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 28px rgba(0,0,0,0.15);
        }

        .img-float-left {
            float: left;
            width: 260px;
            max-width: 38%;
            margin: 0 18px 8px 0;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(0,0,0,0.08);
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .img-float-left:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 28px rgba(0,0,0,0.15);
        }

        /* 第8张：右浮动，尺寸调小 */
        .img-float-right {
            float: right;
            width: 200px;
            max-width: 30%;
            margin: 0 0 6px 16px;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(0,0,0,0.08);
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .img-float-right:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 28px rgba(0,0,0,0.15);
        }

        .img-grid-3 {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 8px 0 14px 0;
        }
        .img-grid-3 .content-img {
            flex: 1 1 0;
            min-width: 130px;
            max-width: 100%;
            margin: 0;
        }

        .clearfix::after {
            content: "";
            display: table;
            clear: both;
        }

        .modal {
            display: none;
            position: fixed;
            z-index: 999;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.85);
            overflow: auto;
            align-items: center;
            justify-content: center;
        }
        .modal.show {
            display: flex;
        }
        .modal img {
            max-width: 90%;
            max-height: 90%;
            border-radius: 12px;
            box-shadow: 0 12px 40px rgba(0,0,0,0.5);
        }
        .modal .close {
            position: absolute;
            top: 30px;
            right: 40px;
            color: #fff;
            font-size: 40px;
            font-weight: 300;
            cursor: pointer;
            transition: color 0.2s;
            z-index: 1000;
        }
        .modal .close:hover {
            color: #ccc;
        }

        @media (max-width: 760px) {
            .container {
                padding: 20px 16px 28px;
            }
            .btn {
                font-size: 14px;
                padding: 10px 20px;
            }
            .img-float-left,
            .img-float-right {
                float: none;
                width: 100%;
                max-width: 100%;
                margin: 0 0 12px 0;
            }
            .img-grid-3 .content-img {
                flex: 1 1 45%;
            }
            p {
                font-size: 15px;
                margin-bottom: 1em;
            }
            .section-title {
                font-size: 19px;
                margin: 1.4em 0 0.5em 0;
            }
        }