.app-shell{width:100%;min-height:100dvh}:root{--color-ink: #2C2A26;--color-primary: #B4552D;--color-primary-dark: #8C3F1F;--color-primary-soft: #F3E3D8;--color-paper: #FAF6F0;--color-card: #FFFFFF;--color-success: #4E8A5A;--color-warn: #C77E1D;--color-error: #B0473F;--color-line: #E5DDD2;--text-muted: #8A8278;--radius-lg: 20px;--radius-md: 14px;--radius-sm: 10px;--shadow-card: 0 2px 12px rgba(44, 42, 38, .08);--font-body: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;--touch-min: 80px}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body{font-family:var(--font-body);background:var(--color-paper);color:var(--color-ink);font-size:16px;line-height:1.6;overscroll-behavior-y:none}#app{width:100%;max-width:720px;margin:0 auto;min-height:100dvh}button{font-family:inherit;border:none;background:none;cursor:pointer;touch-action:manipulation}button,[role=button]{min-height:var(--touch-min)}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}