/* 首屏骨架屏 — 先于任何JS显示 */
.shell{position:fixed;inset:0;z-index:999999;background:#0b1225;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;transition:opacity .3s}
.shell.loaded{opacity:0;pointer-events:none}
.shell .logo{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#b6643c,#8b5cf6);display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff;margin-bottom:16px;box-shadow:0 4px 20px rgba(182,100,60,0.3)}
.shell .st{font-size:18px;font-weight:700;color:#e2e8f0;margin-bottom:4px}
.shell .sub{font-size:12px;color:rgba(226,232,240,0.4);margin-bottom:24px}
.shell .bar{width:120px;height:3px;border-radius:3px;background:rgba(255,255,255,0.06);overflow:hidden}
.shell .bar-inner{width:30%;height:100%;border-radius:3px;background:linear-gradient(90deg,#b6643c,#8b5cf6);animation:loadBar 1.2s ease-in-out infinite}
@keyframes loadBar{0%{transform:translateX(-100%)}100%{transform:translateX(400%)}}
body.light .shell{background:#f0f3f8}
body.light .shell .st{color:#1d1d1f}
body.light .shell .sub{color:rgba(0,0,0,0.25)}
body.light .shell .bar{background:rgba(0,0,0,0.06)}