/* ----- 完全独立模块 – 不影响外部页面任何布局 ----- */
        .offer-module * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .offer-module {
            display: block;
            font-family: 'Inter', 'Segoe UI', Roboto, system-ui, sans-serif;
            max-width: 1000px;
            margin: 2rem auto;
            background: transparent;
            line-height: 1.5;
            color: #1a2b3c;
        }

        .offer-card {
            background: white;
            border-radius: 2rem;
            box-shadow: 0 25px 45px -15px rgba(199, 36, 177, 0.2);
            padding: 2rem 2rem;
            border: 1px solid rgba(199, 36, 177, 0.2);
            position: relative;
            overflow: hidden;
        }

        /* 装饰音符 - 保留极淡背景装饰但不使用小图标 */
        .note-deco {
            position: absolute;
            font-size: 5rem;
            color: rgba(199, 36, 177, 0.03);
            pointer-events: none;
            font-family: 'Segoe UI', 'Arial Unicode MS', sans-serif;
            z-index: 0;
        }
        .note-1 { top: 2%; left: -1%; transform: rotate(-8deg); }
        .note-2 { bottom: 3%; right: -2%; transform: rotate(6deg); }
        .note-3 { top: 20%; right: 5%; transform: rotate(10deg); font-size: 3.5rem; }

        /* 主色调 */
        .accent { color: #c724b1; }
        .accent-bg { background: #c724b1; color: white; }
        .accent-border { border-left: 4px solid #c724b1; padding-left: 1rem; }

        /* 标题区 */
        .hero {
            text-align: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid rgba(199, 36, 177, 0.2);
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-size: 2rem;
            font-weight: 700;
            color: #1a2b3c;
            margin-bottom: 0.5rem;
        }
        .hero .subhead {
            font-size: 1rem;
            color: #c724b1;
            font-weight: 500;
            letter-spacing: 0.5px;
        }

        /* 核心促销语句 */
        .promo-statement {
            background: linear-gradient(135deg, #fef5fc, #fbf0f9);
            border-radius: 1.5rem;
            padding: 1.5rem;
            text-align: center;
            margin: 1.5rem 0;
            border: 1px solid rgba(199, 36, 177, 0.3);
            position: relative;
            z-index: 2;
        }
        .promo-statement .big-offer {
            font-size: 2rem;
            font-weight: 800;
            color: #c724b1;
            margin-bottom: 0.5rem;
        }
        .promo-statement .reason {
            font-size: 0.9rem;
            color: #2c3e50;
            margin-top: 0.8rem;
            font-style: italic;
        }
        .reason-line {
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 0.8rem;
        }
        .reason-item {
            font-size: 0.85rem;
            color: #1a2b3c;
        }
        .reason-item .step {
            font-weight: 700;
            color: #c724b1;
        }

        /* 详情表格 */
        .details-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: white;
            border-radius: 1rem;
            overflow: hidden;
            border: 1px solid rgba(199, 36, 177, 0.2);
            position: relative;
            z-index: 2;
        }
        .details-table th, .details-table td {
            padding: 1rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid rgba(199, 36, 177, 0.1);
        }
        .details-table th {
            background: #faf5fc;
            color: #c724b1;
            font-weight: 600;
            width: 35%;
        }
        .details-table td {
            color: #2c3e50;
        }
        .details-table tr:last-child td,
        .details-table tr:last-child th {
            border-bottom: none;
        }

        /* 有效期特别提示 */
        .validity-note {
            background: #fef8fc;
            border-radius: 1rem;
            padding: 1rem 1.2rem;
            margin: 1rem 0;
            border-left: 4px solid #c724b1;
            font-size: 0.85rem;
            color: #2c3e50;
            position: relative;
            z-index: 2;
        }

        /* 底部行动按钮 */
        .action-btn {
            display: inline-block;
            background: #c724b1;
            color: white;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border-radius: 60px;
            text-decoration: none;
            font-size: 1rem;
            transition: all 0.2s;
            box-shadow: 0 6px 14px rgba(199, 36, 177, 0.3);
            text-align: center;
            border: none;
            cursor: pointer;
        }
        .action-btn:hover {
            background: #a01d8a;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(199, 36, 177, 0.4);
        }
        .btn-center {
            text-align: center;
            margin: 1.5rem 0 0.5rem;
            position: relative;
            z-index: 2;
        }

        hr {
            margin: 1rem 0;
            border: 0;
            height: 1px;
            background: repeating-linear-gradient(90deg, #c724b1, #c724b1 6px, transparent 6px, transparent 20px);
            opacity: 0.3;
        }

        .footer-line {
            text-align: center;
            color: #c724b1;
            font-size: 0.75rem;
            margin-top: 1rem;
            padding-top: 0.8rem;
            border-top: 1px dashed rgba(199, 36, 177, 0.3);
        }

        @media (max-width: 640px) {
            .offer-card { padding: 1.5rem; }
            .hero h1 { font-size: 1.5rem; }
            .promo-statement .big-offer { font-size: 1.5rem; }
            .details-table th, .details-table td { padding: 0.8rem; font-size: 0.85rem; }
            .reason-line { gap: 1rem; flex-direction: column; align-items: center; }
        }