* { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft JhengHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #f4f5f7;
            display: flex;
            justify-content: center;
            padding: 40px 20px;
            color: #333;
            line-height: 1.8;
        }
        .container {
            background-color: #ffffff;
            width: 100%;
            max-width: 860px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
            padding: 50px 55px;
        }
        /* 品牌頭部 */
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 35px;
            padding-bottom: 22px;
            border-bottom: 2px solid #f0f2f5;
        }
        .logo {
            font-size: 26px;
            font-weight: 800;
            color: #007bff;
            letter-spacing: -1px;
        }
        .logo span { color: #1a1a1a; }
        .status-badge {
            background-color: #e6f7ff;
            color: #007bff;
            border: 1px solid #91d5ff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
        }
        h1 {
            font-size: 26px;
            margin: 0 0 8px 0;
            color: #1a1a1a;
            line-height: 1.3;
        }
        .subtitle {
            font-size: 14px;
            color: #888;
            margin-bottom: 30px;
        }
        /* 章節標題 */
        .section-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 38px 0 20px 0;
            font-size: 18px;
            font-weight: 700;
            color: #1a1a1a;
        }
        .section-title .num {
            background-color: #007bff;
            color: white;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: bold;
            flex-shrink: 0;
        }
        .section-title::after {
            content: "";
            flex: 1;
            height: 1px;
            background-color: #eee;
            margin-left: 10px;
        }
        p {
            font-size: 15px;
            line-height: 1.8;
            color: #444;
            margin-bottom: 15px;
        }
        /* 核心結論卡片 */
        .core-box {
            background: linear-gradient(135deg, #e6f7ff 0%, #f0f9ff 100%);
            border: 1px solid #91d5ff;
            border-radius: 12px;
            padding: 22px 25px;
            margin: 25px 0;
            font-size: 15px;
            line-height: 1.8;
        }
        .core-box strong { color: #0050b3; }
        /* 警示框 */
        .alert-box {
            padding: 16px 22px;
            border-radius: 8px;
            font-size: 14px;
            line-height: 1.7;
            margin: 22px 0;
            border-left: 4px solid;
        }
        .alert-warning {
            background-color: #fffbe6;
            border-color: #ffe58f;
            color: #ad6800;
        }
        .alert-info {
            background-color: #e6f7ff;
            border-color: #91d5ff;
            color: #0050b3;
        }
        .alert-success {
            background-color: #f6ffed;
            border-color: #b7eb8f;
            color: #389e0d;
        }
        /* 資訊網格 */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            background-color: #f9fafb;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid #e5e7eb;
            margin: 20px 0;
        }
        .info-item label {
            display: block;
            font-size: 12px;
            color: #888;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .info-item span {
            font-size: 15px;
            color: #333;
            font-weight: 500;
        }
        /* 表格 */
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        th, td {
            padding: 13px 16px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        th {
            background-color: #007bff;
            color: white;
            font-weight: 600;
            font-size: 14px;
        }
        tr:nth-child(even) { background-color: #f9fafb; }
        tr:hover { background-color: #e6f7ff; }
        td strong { color: #0050b3; }
        /* 步驟列表 */
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .step-list li {
            position: relative;
            padding-left: 32px;
            margin-bottom: 12px;
            font-size: 15px;
            color: #444;
            line-height: 1.7;
        }
        .step-list li::before {
            content: attr(data-num);
            position: absolute;
            left: 0;
            top: 2px;
            width: 24px;
            height: 24px;
            background-color: #007bff;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 24px;
            font-size: 12px;
            font-weight: bold;
        }
        /* 對比卡片 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin: 20px 0;
        }
        .compare-card {
            background: #f9fafb;
            border: 1px solid #e5e7eb;
            border-radius: 10px;
            padding: 20px;
        }
        .compare-card h4 {
            color: #007bff;
            font-size: 15px;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid #eee;
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
        }
        .compare-card ul li {
            padding-left: 20px;
            position: relative;
            font-size: 14px;
            color: #444;
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .compare-card ul li::before {
            content: "?";
            position: absolute;
            left: 4px;
            color: #007bff;
            font-weight: bold;
        }
        /* 按鈕 */
        .btn-link {
            display: inline-block;
            margin-top: 10px;
            padding: 10px 22px;
            background-color: #007bff;
            color: white;
            text-decoration: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            transition: background 0.2s;
        }
        .btn-link:hover { background-color: #0056b3; }
        /* 標籤 */
        .tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
            margin-right: 6px;
        }
        .tag-blue { background: #e6f7ff; color: #007bff; }
        .tag-green { background: #f6ffed; color: #389e0d; }
        .tag-orange { background: #fff7e6; color: #d48806; }
        .tag-red { background: #fff2f0; color: #cf1322; }
        /* 底部聲明 */
        .footer-note {
            text-align: center;
            margin-top: 40px;
            font-size: 12px;
            color: #aaa;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        @media (max-width: 700px) {
            .container { padding: 30px 22px; }
            .info-grid, .compare-grid { grid-template-columns: 1fr; }
            h1 { font-size: 22px; }
        }