:root{--color-primary:#139686;--color-primary-light:#13b9a5;--color-primary-soft:rgba(95,181,153,.3);--color-text-primary:#333;--color-text-secondary:#666;--color-text-tertiary:#999;--color-text-muted:#ababab;--color-text-strong:#3d3d3d;--color-text-inverse:#fff;--color-bg-page:#f5f5f5;--color-bg-card:#fff;--color-bg-subtle:#fbfbfb;--color-border:#eee;--color-danger:#ff2f49;--color-danger-btn:#fc4755;--color-hero:#063536;--app-width:375px;--header-safe-top:env(safe-area-inset-top,0px);--tabbar-height:50px;--tabbar-safe-bottom:env(safe-area-inset-bottom,0px);--page-padding-x:12px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-pill:100px;--shadow-card:0 0 10px rgba(0,0,0,.1);--shadow-banner:0 0 6px rgba(0,0,0,.1);--shadow-hero:0 4px 10px rgba(19,150,134,.2);--font-family:"PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-num:"DIN Alternate", "DIN", "Helvetica Neue", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{min-height:100%}html{text-size-adjust:100%}body{font-family:var(--font-family);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;overscroll-behavior-y:none;background:#e8e8e8;font-size:14px;line-height:1.4}img{border:0;max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}ul,ol{list-style:none}input,textarea{font:inherit;color:inherit;background:0 0;border:0;outline:none}#app{min-height:100vh;min-height:100dvh}.app-shell{width:100%;max-width:var(--app-width);min-height:100vh;background:var(--color-bg-page);min-height:100dvh;margin:0 auto;position:relative;overflow:hidden}@media (min-width:768px){.app-shell{box-shadow:0 0 40px rgba(0,0,0,.08)}}