@scope (#freshcup-tool) {

        /* 全局盒模型优化，防止 padding 撑破布局 */
        * {
            box-sizing: border-box;
        }
        :scope {
            background: var(--page-bg);
            margin: 0;
            font-family: 'Segoe UI', Arial, sans-serif;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            padding: 20px;
        }
        .calculator {
            background: var(--body-text);
            width: 100%;
            max-width: 1400px;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 5px 5px 15px rgba(0,0,0,0.3);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .global-header {
            grid-column: 1 / -1;
            background: var(--button-bg);
            padding: 15px 25px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-left: 5px solid var(--accent);
        }
        .global-header h1 {
            margin: 0;
            font-size: 22px;
            color: var(--text);
        }
        .double-column {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .category {
            background: var(--button-bg);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border);
            break-inside: avoid;
        }
        h2 {
            color: var(--body-text);
            font-size: 16px;
            margin: 0 0 12px 0;
            padding-bottom: 6px;
            border-bottom: 2px solid var(--divider);
        }
        .sub-category {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin: 8px 0;
            padding: 4px 0;
            width: 100%;
        }
        .sub-category label, .clickable-label {
            flex: 1;
            font-size: 15px;
            color: var(--text);
            margin-right: 10px;
            min-width: 120px;
            word-break: break-word; /* 允许长文本自动换行 */
        }
        input {
            width: 60px;
            padding: 6px;
            border: 1px solid var(--border);
            border-radius: 4px;
            text-align: center;
            font-size: 14px;
            background: white;
            flex-shrink: 0; /* 防止输入框被无情压缩 */
        }
        input[readonly] {
            background: var(--track);
            color: var(--muted);
        }
        #total {
            grid-column: 1 / -1;
            background: var(--track);
            padding: 15px;
            border-radius: 6px;
            font-size: 26px;
            font-weight: bold;
            margin-top: 15px;
            text-align: center;
        }
        button.action-btn {
            grid-column: 1 / -1;
            width: 100%;
            max-width: 200px;
            padding: 12px;
            margin: 15px auto;
            display: block;
            background: #4CAF50;
            color: white;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-size: 16px;
            transition: background 0.3s;
        }
        button.action-btn:hover {
            background: #45a049;
        }
        .clickable-label {
            cursor: pointer;
            transition: background 0.2s;
            padding: 4px 8px;
            border-radius: 4px;
            background: none;
            border: none;
            text-align: left;
            font: inherit;
            color: inherit;
        }
        .clickable-label:hover {
            background: rgba(0,0,0,0.1);
        }
        .score-display {
            font-size: 12px;
            color: #1565c0;
            margin-left: 5px;
            font-weight: bold;
        }

        /* 开关样式 */
        .score-multiplier {
            display: flex;
            align-items: center;
            flex-shrink: 0;
            font-size: 18px;
            font-weight: bold;
            color: #d32f2f;
        }
        .switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 28px;
            margin-right: 10px;
        }
        .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--border);
            transition: .4s;
        }
        .slider:before {
            position: absolute;
            content: "";
            height: 20px;
            width: 20px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
        }
        input:checked + .slider {
            background-color: #d32f2f;
        }
        input:checked + .slider:before {
            transform: translateX(22px);
        }
        .slider.round {
            border-radius: 34px;
        }
        .slider.round:before {
            border-radius: 50%;
        }

        #score-report {
            grid-column: 1 / -1;
            margin-top: 10px;
            padding: 15px;
            background-color: var(--button-bg);
            border-radius: 8px;
            display: none;
            overflow-x: auto; /* 保证小屏下表格可横向滚动，不撑破网页 */
        }

        /* --- 响应式媒体查询优化 --- */

        /* 中等屏幕（如平板、小屏笔记本）：平滑过渡为 2 列 */
        @media (max-width: 1200px) {
            .calculator {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* 小屏幕（如大屏手机、纵向平板）：转为 1 列 */
        @media (max-width: 768px) {
            .calculator {
                grid-template-columns: 1fr;
            }
            .double-column {
                grid-template-columns: 1fr;
            }
        }

        /* 紧凑型屏幕：防止顶部标题与开关挤压重叠 */
        @media (max-width: 576px) {
            .global-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 12px 15px;
            }
            .global-header h1 {
                font-size: 18px;
            }
        }

        /* 微型屏幕（手机）：压缩内边距，提高空间利用率 */
        @media (max-width: 480px) {
            :scope {
                padding: 10px;
            }
            .calculator {
                padding: 15px;
                gap: 15px;
            }
            .category {
                padding: 12px;
            }
            h2 {
                font-size: 15px;
            }
            .sub-category label, .clickable-label {
                font-size: 14px;
            }
        }

}