/* Global reset + default light body (Engine uses base.css with body.zh-engine-page + page styles for dark shell) */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

img,
video {
    max-width: 100%;
    height: auto;
}

button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
    touch-action: manipulation;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif;
    color: var(--text-main);
    background-color: var(--bg-base);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Marketing routes built with ambient + landing chrome */
body.zh-marketing-subpage {
    background-color: var(--bg-marketing);
    color: var(--text-primary);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
}