:root{--bg:#000;--deep:#050505;--panel:#0b0b0b;--panel2:#121212;--hover:#1a1a1a;--text:#ddd;--title:#f7f7f7;--muted:#a5a5a5;--note:#727272;--silver:#c7c7c7;--line:rgba(255,255,255,.12);--line-strong:rgba(255,255,255,.4);--shadow:0 18px 46px rgba(0,0,0,.48);--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:#000}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(var(--max),calc(100% - 40px));margin:0 auto}.site-header{position:fixed;z-index:50;top:0;left:0;right:0}.curtain-line{height:20px;background:#000;color:#aaa;font-size:12px;border-bottom:1px solid rgba(255,255,255,.06)}.curtain-inner,.screen-inner,.tabs-inner{height:100%;display:flex;align-items:center}.curtain-inner{justify-content:space-between}.text-button,.journal-button,.icon-button{border:0;background:transparent;color:#ddd;cursor:pointer}.text-button{padding:0 6px;min-height:20px}.screen-bar{height:64px;background:#0b0b0b;border-bottom:1px solid var(--line)}.screen-inner{display:grid;grid-template-columns:1fr auto 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:focus-visible{outline:2px solid #fff;outline-offset:3px}
.media-slot .content-image{max-height:240px}
.hero .media-slot .content-image{max-height:300px}
body[data-page="app"] .media-slot .content-image,body[data-page="download"] .media-slot .content-image{max-height:420px}

/* 空图片槽位不参与页面布局：本地图片不存在或因同页去重未输出时，直接移除空白区域。 */
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.grid-2:has(> .media-slot:empty){grid-template-columns:1fr}
.app-visual:has(> .media-slot:empty){display:none}
.app-layout:has(.app-visual > .media-slot:empty){grid-template-columns:1fr}