html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font-family:sans-serif;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:"";content:none}table{border-collapse:collapse;border-spacing:0}a{text-decoration:none}img{display:block;width:100%}svg{width:100%;height:100%;fill:currentColor}header{background-color:#fff;box-shadow:0 4px 12px #0000000f;padding:16px 0;position:sticky;top:0;z-index:100}header .header-container{display:flex;justify-content:space-between;align-items:center}header .logo-group{display:flex;align-items:center;gap:12px;text-decoration:none}header .logo-icon{overflow:hidden;width:40px;height:40px;text-align:center;line-height:40px;font-size:2rem;color:#fff;border-radius:10px;background-color:transparent}header .logo-text{font-size:1.6rem;font-weight:900;color:var(--primary-color, #16a34a);letter-spacing:1px}header .header-right{z-index:1;display:flex;align-items:center;gap:20px}header .header-right .header-badge{background-color:#f0fdf4;color:var(--primary-color);padding:8px 16px;border-radius:30px;font-size:.95rem;font-weight:700;border:2px solid #bbf7d0}header .header-right .icon-wrap.globe{color:#16a34a}header .header-right .language-switcher{cursor:pointer;position:relative}header .header-right .language-switcher .language-dropdown{display:none}header .header-right .language-switcher .language-dropdown.show{z-index:11;display:flex;flex-direction:column;position:absolute;top:56px;right:-30px;min-width:110px;max-height:300px;border:1px solid #ddd;background-color:#fff;box-shadow:0 5px 10px #0000001a;scrollbar-width:thin;scrollbar-color:#80939b #f1f1f1}header .header-right .language-switcher .language-dropdown.show a{line-height:60px;text-align:center;color:#333}header .header-right .language-switcher .language-dropdown.show a:hover,header .header-right .language-switcher .language-dropdown.show a.curr{color:#111;background-color:#f0f0f0}header .header-right .icon-wrap{width:26px;height:26px;color:#fff}footer{margin-top:50px;padding:40px 0 0;background-color:#e7e5e4;color:var(--text-muted, #57534e);font-size:.95rem}footer .copyright{text-align:center}footer .footer-bottom{margin-top:30px;text-align:center;border-top:1px solid #000;padding-top:12px;padding-bottom:12px}footer .footer-bottom .footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:36px;list-style:none;padding:0;font-size:18px}footer .footer-bottom .footer-links li a{color:#57534e;text-decoration:none}footer .footer-bottom .footer-links li a:hover{text-decoration:underline}@media(max-width:768px){header{position:static}header .header-right .header-badge{display:none}header .header-right .language-switcher .language-dropdown.show{right:-10px}header .header-right .icon-wrap{width:26px;height:26px}footer .footer-bottom .footer-links{gap:18px}}:root{--bg-color: #f5f5f4;--text-main: #292524;--text-muted: #57534e;--primary-color: #16a34a;--primary-hover: #15803d;--card-bg: #ffffff;--font-base: 18px;--color-memory: #3b82f6;--color-focus: #10b981;--color-judge: #f59e0b;--color-calc: #8b5cf6;--color-lang: #ec4899}body{font-family:Arial,Helvetica,sans-serif;font-size:var(--font-base);line-height:1.6;color:var(--text-main);background-color:var(--bg-color)}.container{max-width:1000px;margin:0 auto;padding:0 20px}.cut{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.cut-3{overflow:hidden;display:-webkit-box!important;-webkit-line-clamp:3;-webkit-box-orient:vertical}.ad-box{background-color:#edf2f7;border:1px dashed #cbd5e0}.ad-box .ad-title{font-size:16px;line-height:1.5;text-align:center}.content *{all:revert}