/* Off-screen rendering stage for slide capture */
.pres-stage {
    position: fixed;
    left: -100000px;
    top: 0;
    width: 1280px;
    height: 720px;
    pointer-events: none;
}

.pres-slide {
    box-sizing: border-box;
    width: 1280px;
    height: 720px;
    padding: 72px 88px;
    background: #ffffff;
    color: #18181b;
    font-family: Arial, Helvetica, sans-serif;
    overflow: hidden;
}

.pres-slide h1 { font-size: 56px; line-height: 1.1; margin: 0 0 24px; }
.pres-slide h2 { font-size: 42px; line-height: 1.15; margin: 0 0 20px; }
.pres-slide h3 { font-size: 32px; margin: 0 0 16px; }
.pres-slide p { font-size: 28px; line-height: 1.45; margin: 0 0 18px; }
.pres-slide ul, .pres-slide ol { font-size: 28px; line-height: 1.5; padding-left: 40px; margin: 0 0 18px; }
.pres-slide li { margin-bottom: 10px; }
.pres-slide code { background: #eef0ec; padding: 2px 8px; border-radius: 6px; font-family: Consolas, monospace; }
.pres-slide pre { background: #111827; color: #f5f7ef; padding: 20px; border-radius: 10px; overflow: hidden; font-size: 22px; }
.pres-slide img { max-width: 100%; height: auto; }
.pres-slide blockquote { border-left: 6px solid #61d094; margin: 0 0 18px; padding-left: 24px; color: #444; }