/* reset.css —— 極致乾淨版（已移除所有可能造成空白或高度衝突的規則） */
*, *::before, *::after {
    box-sizing: border-box;
}
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    border: 0;
    font: inherit;
    vertical-align: baseline;
}
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
    display: block;
}
ol, ul { list-style: none; }
table { border-collapse: collapse; border-spacing: 0; }
blockquote, q { quotes: none; }
/* 唯一保留但已安全化的規則（不影響 hover） */
a, button, input, textarea, select {
    -webkit-tap-highlight-color: transparent;
}

html {
    margin: 0;
    padding: 0;
    height: 100%;
}