/* 自定义样式补充 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* 广告位占位样式（未加载广告时） */
.adsbygoogle {
    display: block;
    margin: 0 auto;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .adsbygoogle {
        width: 100% !important;
        height: auto !important;
    }
}

/* 工具卡片hover效果 */
a[href*="/tools/"] {
    transition: all 0.3s ease;
}

a[href*="/tools/"]:hover {
    transform: translateY(-2px);
}

/* 统计结果数字动画 */
@keyframes countUp {
    from { opacity: 0.5; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

#totalChars, #charsWithoutSpaces, #chineseChars, #lineCount, 
#wordCount, #spaceCount, #punctuationCount, #numberCount {
    animation: countUp 0.3s ease;
}