* {
            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: 44px 40px 52px;
        }
        p {
            font-size: 16px;
            line-height: 1.65;
            color: #2c3e4f;
            margin-bottom: 1.2em;
        }
        .container p:first-of-type {
            margin-top: 0;
        }

        .section-title {
            font-size: 22px;
            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: 48px 0 40px 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: 36px;
            padding: 28px 24px;
            border: 1px solid #e5e7eb;
            box-shadow: 0 8px 20px rgba(0,0,0,0.03);
        }
        .cta-box p {
            margin-bottom: 20px;
            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;
        }

        /* 第一张图：左浮动 */
        .float-left-img {
            float: left;
            width: 45%;
            max-width: 400px;
            margin: 0 24px 16px 0;
            border-radius: 16px;
            box-shadow: 0 6px 18px rgba(0,0,0,0.08);
        }

        /* 对比图：两张并排 + VS 标签 */
        .compare-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: stretch;
            justify-content: center;
            gap: 8px;
            margin: 16px 0 20px 0;
        }
        .compare-item {
            flex: 1 1 0;
            min-width: 180px;
            max-width: 300px;
            background: #f8fafc;
            border-radius: 16px;
            padding: 12px 12px 16px 12px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.04);
            transition: transform 0.2s ease;
        }
        .compare-item:hover {
            transform: translateY(-3px);
        }
        .compare-item img {
            width: 100%;
            border-radius: 12px;
            background: #f0f2f5;
            box-shadow: 0 4px 12px rgba(0,0,0,0.06);
        }
        .compare-item .label {
            display: block;
            margin-top: 10px;
            font-size: 13px;
            font-weight: 700;
            color: #0f172a;
            background: #e6f0ff;
            padding: 6px 10px;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }
        .compare-item .label .highlight-qt {
            color: #007BFF;
            font-weight: 800;
        }
        .vs-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            color: #007BFF;
            background: white;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            box-shadow: 0 4px 14px rgba(0,123,255,0.2);
            flex-shrink: 0;
            align-self: center;
            border: 2px solid #007BFF;
        }

        /* INS截图卡片 - 放大版 */
        .ins-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin: 16px 0 20px 0;
        }
        .ins-card .ins-img-wrap {
            max-width: 580px;
            width: 100%;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0,0,0,0.12);
            border: 1px solid #eef2f6;
            background: #fff;
            transition: transform 0.2s ease;
        }
        .ins-card .ins-img-wrap:hover {
            transform: scale(1.01);
        }
        .ins-card .ins-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }
        .ins-card .ins-link {
            display: inline-block;
            margin-top: 14px;
            font-weight: 600;
            font-size: 15px;
            color: #007BFF;
            text-decoration: none;
            border: 1.5px solid #007BFF;
            padding: 8px 28px;
            border-radius: 40px;
            transition: all 0.2s ease;
        }
        .ins-card .ins-link:hover {
            background: #007BFF;
            color: #fff;
        }
        .ins-card .ins-label {
            font-size: 14px;
            color: #64748b;
            margin-bottom: 8px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        /* 橡胶底 · 无背景，左文右图 */
        .rubber-section {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            margin: 12px 0 16px 0;
        }
        .rubber-section .rubber-text {
            flex: 1 1 0;
            min-width: 200px;
        }
        .rubber-section .rubber-text p {
            margin-bottom: 0.6em;
            font-size: 15px;
        }
        .rubber-section .rubber-text .rubber-label {
            font-weight: 700;
            color: #007BFF;
            font-size: 14px;
            background: #e6f0ff;
            padding: 2px 14px;
            border-radius: 30px;
            display: inline-block;
            margin-bottom: 8px;
        }
        .rubber-section .rubber-img {
            flex: 0 0 auto;
            width: 240px;
            max-width: 40%;
        }
        .rubber-section .rubber-img img {
            width: 100%;
            border-radius: 14px;
            box-shadow: 0 6px 18px rgba(0,0,0,0.08);
            background: #f0f2f5;
            display: block;
        }

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

        @media (max-width: 760px) {
            .container {
                padding: 24px 20px 32px;
            }
            .btn {
                font-size: 14px;
                padding: 10px 20px;
            }
            .float-left-img {
                float: none;
                width: 100%;
                max-width: 100%;
                margin: 0 0 16px 0;
            }
            .compare-item {
                max-width: 100%;
                flex: 1 1 100%;
            }
            .vs-badge {
                width: 44px;
                height: 44px;
                font-size: 22px;
            }
            .rubber-section {
                flex-direction: column-reverse;
                text-align: center;
            }
            .rubber-section .rubber-img {
                width: 100%;
                max-width: 300px;
            }
            .ins-card .ins-img-wrap {
                max-width: 100%;
            }
        }