:root {
            --primary-color: rgba(0, 119, 255, 0.8);
            --must-primary-color: rgb(250, 92, 166);
            --bg-color: #F5F5F7;
            --card-bg: rgba(255, 255, 255, 0.8);
            --text-color: #1D1D1F;
            --code-bg: #F2F2F7;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
            margin: 0;
            padding: 40px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            transition: padding-top 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        body.has-alert {
            padding-top: 110px;
        }

        .container {
            width: 100%;
            max-width: 800px;
        }

        .header {
            text-align: center;
            margin-bottom: 40px;
        }

        h1 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        h3,
        h6 {
            color: #86868B;
            font-weight: 400;
            margin-top: 0;
        }

        .card {
            background: var(--card-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 24px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.4);
        }

        h2 {
            font-size: 1.3rem;
            margin-top: 0;
            margin-bottom: 20px;
            border-left: 4px solid var(--primary-color);
            padding-left: 12px;
        }

        .param-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .param-item {
            margin-bottom: 20px;
        }

        .param-name {
            font-family: monospace;
            font-weight: 600;
            color: var(--primary-color);
            background: var(--code-bg);
            padding: 2px 6px;
            border-radius: 4px;
        }

        .must-param-name {
            font-family: monospace;
            font-weight: 600;
            color: var(--must-primary-color);
            background: var(--code-bg);
            padding: 2px 6px;
            border-radius: 4px;
        }

        .param-desc {
            margin-top: 8px;
            font-size: 0.95rem;
            color: #424245;
        }

        .param-desc {
            margin-top: 8px;
            font-size: 0.95rem;
            color: #424245;
        }

        .param-sub {
            margin-left: 24px;
            margin-top: 6px;
            font-size: 0.9rem;
            color: #6e6e73;
            position: relative;
        }

        .param-sub::before {
            content: '└─';
            position: absolute;
            left: -20px;
            color: #d2d2d7;
        }

        .level-table {
            width: 100%;
            border-collapse: collapse;
            margin: 15px 0;
            font-size: 0.85rem;
            background: rgba(0, 0, 0, 0.02);
            border-radius: 12px;
            overflow: hidden;
        }

        .level-table th,
        .level-table td {
            text-align: left;
            padding: 12px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .level-table th {
            background: rgba(0, 0, 0, 0.03);
            color: #86868B;
            font-weight: 500;
        }

        .example-link {
            display: block;
            background: var(--code-bg);
            color: var(--primary-color);
            padding: 10px 14px;
            border-radius: 8px;
            text-decoration: none;
            word-break: break-all;
            font-family: monospace;
            font-size: 0.85rem;
            margin-bottom: 8px;
            transition: opacity 0.2s;
        }

        .example-link:hover {
            opacity: 0.8;
        }

        a {
            color: var(--primary-color);
            text-decoration: none;
        }

        a:hover {
            text-decoration: underline;
        }

        .alert-banner {
            position: fixed;
            top: -150px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(255, 59, 48, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            color: white;
            padding: 12px 24px;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(255, 59, 48, 0.3);
            display: flex;
            align-items: center;
            gap: 16px;
            z-index: 9999;
            font-weight: 500;
            font-size: 0.95rem;
            opacity: 0;
            transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
            border: 1px solid rgba(255, 255, 255, 0.3);
            max-width: 90%;
        }

        .alert-content {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        @media (max-width: 600px) {
            .alert-banner {
                width: 90%;
                font-size: 0.95rem;
                padding: 14px 20px;
                gap: 12px;
            }

            body.has-alert {
                padding-top: 140px;
            }

            .level-table {
                display: block;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .level-table th,
            .level-table td {
                white-space: nowrap;
            }
        }

        .alert-banner.show {
            top: 24px;
            opacity: 1;
        }