.page-subtitle {
            font-size: 14px;
            color: #8C7D70;
            margin-top: 10px;
        }

        .slogan {
            font-size: 12px;
            color: #999;
            margin-top: 4px;
            letter-spacing: 1px;
            font-weight: 300;
        }
        .intro-box {
            border-top: 1px solid #eaeaea;
            margin-top: 30px;
            padding-top: 10px;
        }

        .intro-box p {
            margin-bottom: 5px;
            color: #666;
        }

        h1 {
            height: 0;
            overflow: hidden;
        }

        h2 {
            font-size: 22px;
            margin-top: 15px;
        }

        .feature-box {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 5px;
            margin: 10px 0;
        }

        .feature-title {
            font-weight: bold;
            margin-bottom: 8px;
            color: #D48A98;
        }

        .password-box {
            display: none;
            margin: 10px 0;
            padding: 10px;
            background: #fff;
            border: 1px solid #ddd;
            border-radius: 4px;
        }

        .password-input {
            width: 100%;
            padding: 8px;
            margin: 5px 0;
            border: 1px solid #ccc;
            border-radius: 4px;
        }

        .tab-container {
            margin: 15px 0;
        }

        .tab-header {
            display: flex;
            border-bottom: 1px solid #ddd;
        }

        .tab-btn {
            padding: 10px 20px;
            cursor: pointer;
            background: #f1f1f1;
            border: none;
            border-bottom: none;
            margin-right: 5px;
            border-radius: 5px 5px 0 0;
        }

        .tab-btn.active {
            background: #409EFF;
            color: white;
        }

        .tab-content {
            display: none;
            padding: 15px;
            border: 1px solid #ddd;
            border-top: none;
            border-radius: 0 0 5px 5px;
        }

        .tab-content.active {
            display: block;
        }

        .history-list {
            max-height: 200px;
            overflow-y: auto;
            border: 1px solid #ddd;
            padding: 10px;
            border-radius: 4px;
            margin-top: 10px;
        }

        .history-item {
            padding: 5px;
            border-bottom: 1px solid #eee;
            cursor: pointer;
        }

        .history-item:hover {
            background: #f0f0f0;
        }

        .expiry-options {
            margin: 10px 0;
        }

        .expiry-options label {
            margin-right: 15px;
            cursor: pointer;
        }

        .share-link-box {
            margin: 10px 0;
            padding: 10px;
            background: #e8f4ff;
            border-radius: 4px;
            display: none;
        }

        .share-link {
            width: 100%;
            padding: 8px;
            border: 1px solid #ccc;
            border-radius: 4px;
            margin: 5px 0;
        }

        .code-mode {
            font-family: 'Courier New', monospace;
            line-height: 1.5;
        }

        .sync-indicator {
            float: right;
            font-size: 12px;
            padding: 5px 10px;
            border-radius: 4px;
        }

        .sync-local {
            background: rgba(181, 211, 180, 0.3);
            color: #8C7D70;
            border: 1px solid rgba(181, 211, 180, 0.5);
        }

        .sync-server {
            background: rgba(232, 180, 192, 0.15);
            color: #D48A98;
            border: 1px solid rgba(232, 180, 192, 0.25);
        }

        .date-box {
            font-size: 13px;
            color: #3D3435;
            text-align: right;
            line-height: 1.6;
            padding: 8px 12px;
            background: linear-gradient(135deg, rgba(240, 196, 200, 0.15), rgba(212, 138, 152, 0.1));
            border-radius: 8px;
            border: 1px solid rgba(212, 138, 152, 0.2);
        }

        .date-time {
            font-size: 16px;
            font-weight: 600;
            color: #D48A98;
            letter-spacing: 1px;
        }

        .date-date {
            font-size: 12px;
            color: #5A4D4E;
        }

        .date-lunar {
            font-size: 11px;
            color: #7A6D6E;
            font-style: italic;
        }