:root{--brand:#2C70F6;--brand-strong:#1A63F9;--brand-soft:#ECF2FD;--price:#FD0000;--coupon-bg:#FD0000;--coupon-from:#FF6A4D;--save:#00B578;--warn:#FD6701;--warn-soft:#FFF1E0;--ink:#1A1A1A;--ink-2:#5B6069;--ink-3:#9A9EA5;--ink-4:#B9BDC4;--line:#EDEFF3;--surface:#FFFFFF;--surface-2:#F1F2F6;--field:#FFFFFF;--field-border:#D6E3FB;--icon-mute:#767A7F;--ink-inverse:#FFFFFF;--line-strong:#C9CDD4;--line-input:#E1E4EA;--handle:#DADDE3;--surface-press:#E6E8EE;--field-press:#F5F8FE;--promo-soft:#FFEDEB;--mask:rgba(28,42,66,.30);--scrim:rgba(0,0,0,.38);--scrim-light:rgba(255,255,255,.6);--toast-bg:rgba(24,26,30,.86);--coupon-divider:rgba(255,255,255,.55);--bg-home-top:#EAF3FD;--bg-home-bottom:#EDF5FE;--bg-plain:#F4F5F8;--r-card:8px;--r-img:12px;--r-chip:10px;--r-tag:6px;--r-pill:999px;--gap-page:10px;--gap-card:8px;--gap-sec:10px;--fs-price-lg:32px;--fs-price:18px;--fs-title:15px;--fs-body:14px;--fs-sm:12px;--fs-tag:11px;--shadow-card:0 1px 3px rgba(35,70,130,.06);--shadow-pop:0 12px 40px rgba(20,45,90,.18);--shadow-sheet:0 -8px 30px rgba(20,45,90,.12);--shadow-hover:0 6px 18px rgba(35,70,130,.10);--app-max:480px}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;font-size:var(--fs-body);line-height:1.45;color:var(--ink);background:var(--bg-plain);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%}button{color:inherit;background:none;border:0;padding:0;cursor:pointer}button,h1,h2,h3,input{font:inherit}h1,h2,h3,ol,ul{margin:0}ol,ul{padding:0;list-style:none}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.num{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}input:not([type]):focus-visible,input[type=number]:focus-visible,input[type=search]:focus-visible,input[type=text]:focus-visible,textarea:focus-visible{outline:none}@media (prefers-reduced-motion:reduce){*,:after,:before{animation:none!important;transition:none!important}}.app{max-width:var(--app-max);margin:0 auto;min-height:100vh;position:relative}@supports (min-height:100dvh){.app{min-height:100dvh}}.app--home{background:linear-gradient(180deg,var(--bg-home-top) 0,var(--bg-home-bottom) 220px,var(--bg-home-bottom) 100%)}.app--plain{background:var(--bg-plain)}@media (min-width:520px){.app{box-shadow:0 0 0 1px var(--line)}}.container{padding-inline:var(--gap-page)}.stack>*+*{margin-top:var(--gap-sec)}.sticky-top{position:sticky;top:0;z-index:20}.page-pad{padding-top:10px;padding-bottom:16px}