/* 重置基本樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
}

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

button {
    background: none;
    border: none;
    cursor: pointer;
}