:root{color-scheme:dark;--bg:#07111f;--panel:#0e2134;--ink:#f5faff;--muted:#a9bdd2;--line:#284159;--blue:#71dcff;--amber:#ffb347}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}[hidden]{display:none!important}.wrap{width:min(1140px,calc(100% - 48px));margin:auto}.skip{position:absolute;top:-80px;left:20px;padding:10px;background:var(--amber);color:var(--bg);z-index:20}.skip:focus{top:10px}header{border-bottom:1px solid var(--line);background:#07111ff5}.header{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800}.brand img{border-radius:11px}.brand small{display:block;color:var(--muted);font-size:12px;font-weight:500;letter-spacing:.12em}nav{display:flex;gap:26px;font-size:14px;color:#d1e4f4}nav a:hover,.text-link:hover{color:var(--amber)}.first{display:grid;grid-template-columns:1fr 440px;align-items:center;gap:68px;padding:64px 0 38px}.eyebrow{display:block;font-size:14px;color:var(--blue);letter-spacing:.08em;font-weight:700}h1{font-size:clamp(34px,4.1vw,52px);line-height:1.25;letter-spacing:-.035em;margin:18px 0 24px}h1 em{font-style:normal;color:var(--amber)}h2{font-size:25px;line-height:1.4;margin:10px 0}p{margin:12px 0}.lead{font-size:18px;color:#c5d6e7;line-height:1.85}.fact{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 20px}.fact span{font-size:14px;border-left:2px solid var(--blue);padding-left:10px}.disclaimer{font-size:14px;color:var(--muted);max-width:440px}.claim-card{background:linear-gradient(135deg,#10283f,#0c1d30);border:1px solid #365674;border-radius:24px;padding:28px;box-shadow:0 16px 70px #0004}.card-label{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted)}#connection{font-size:12px}.code{font:700 44px/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;text-align:center;letter-spacing:.09em;overflow-wrap:anywhere;padding:30px 0 14px;color:var(--amber)}.hint{font-size:14px;color:var(--muted);text-align:center;margin:0 0 24px}.primary,.secondary{border-radius:12px;display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 18px;font-weight:750;border:1px solid transparent;text-align:center;font-size:16px}.primary{background:var(--amber);color:#101c2b}.primary:hover{background:#ffcb80}.secondary{background:#142b42;border-color:#385570;color:var(--ink)}.secondary:hover{background:#1c3853}#claim,#copy{width:100%}#copy{margin-top:10px}.fine{font-size:13px;color:var(--muted);line-height:1.7}.fine a,.faq a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.feedback{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}.feedback>span{font-size:14px;color:var(--muted)}.feedback-buttons{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}.feedback-buttons button{border:1px solid #385570;border-radius:9px;color:var(--ink);background:#0e2236;font-size:14px;min-height:44px;padding:8px 10px}.feedback-buttons button:hover{border-color:var(--blue)}.message{font-size:14px;color:var(--blue);min-height:0}.message:not(:empty){margin:14px 0}.message.error{color:#ffbfab}.pool-bar{display:flex;align-items:center;gap:40px;padding:20px 24px;border:1px solid var(--line);border-radius:16px;background:#0a1828}.pool-bar>div{display:flex;gap:12px;align-items:center}.pool-bar strong{font-size:28px;line-height:1;font-variant-numeric:tabular-nums}.pool-bar span,.pool-explain{font-size:14px;color:var(--muted)}.pool-bar .pool-explain{margin-left:auto;line-height:1.4}.text-button{border:0;background:none;color:var(--blue);font-size:14px;padding:10px 0;min-height:44px}.sharing-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;margin:38px 0}.panel{border:1px solid var(--line);border-radius:20px;background:var(--panel);padding:28px}.muted{color:var(--muted)}label{display:block;font-size:14px;font-weight:600;margin:24px 0 10px}.input-row{display:flex;gap:10px}.input-row input{min-width:0;flex:1;width:100%;background:#071522;border:1px solid #385570;color:var(--ink);border-radius:11px;padding:11px 14px;text-transform:uppercase;font-size:18px}.input-row input::placeholder{text-transform:none;color:#8ea8c3}.consent{display:flex;align-items:flex-start;gap:10px;font-weight:400;margin-top:20px;color:var(--muted)}.consent input{margin:5px 0 0;flex-shrink:0;width:18px;height:18px;accent-color:var(--amber)}.section-title{display:flex;align-items:center;justify-content:space-between;gap:16px}.section-title h2{margin:0}.tag{font-size:12px;color:var(--blue);padding:3px 8px;background:#071a2a;border-radius:6px}.recent{list-style:none;padding:0;margin:16px 0 0;max-height:296px;overflow:auto}.recent li{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:12px 0}.recent .recent-code{font-family:ui-monospace,Consolas,monospace;font-weight:700;font-size:17px;letter-spacing:.07em}.recent .recent-detail{font-size:12px;color:var(--muted)}.recent .badge{font-size:12px;border:1px solid #37566e;padding:3px 8px;border-radius:6px;white-space:nowrap}.practice{border:1px solid #355778;border-radius:20px;padding:28px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:#10233a}.practice h2{font-size:24px}.practice p{color:var(--muted);margin-bottom:0}.practice-links{display:flex;flex-direction:column;gap:10px;flex-shrink:0}.text-link{font-size:14px;color:var(--blue);text-align:center;padding:5px}.faq{padding:44px 0 30px;max-width:900px}.faq h2{margin:0 0 20px}.faq details{border-top:1px solid var(--line);padding:16px 0}.faq summary{cursor:pointer;font-size:16px;font-weight:650}.faq details p{font-size:15px;color:var(--muted);padding-right:10px}.footer{display:flex;flex-wrap:wrap;align-items:center;gap:24px;padding:28px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}.footer>a{color:var(--ink);font-weight:700}.footer>span:last-child{margin-left:auto}@media(max-width:950px){.first{gap:32px;grid-template-columns:1fr 390px}.pool-bar{gap:24px}.pool-explain{display:none!important}.pool-bar .text-button{margin-left:auto}.practice{align-items:flex-start}}@media(max-width:760px){.wrap{width:calc(100% - 32px)}.header{min-height:76px;gap:10px}.brand{font-size:16px;gap:8px}.brand small{font-size:10px}.brand img{width:34px;height:34px}nav{gap:16px;font-size:14px}nav a:first-child{display:none}.first{grid-template-columns:minmax(0,1fr);gap:24px;padding:32px 0 24px}h1{font-size:36px;margin:13px 0 16px}.lead{font-size:16px}.fact{margin:20px 0 14px}.claim-card{padding:24px}.code{font-size:40px}.pool-bar{padding:18px;gap:18px;flex-wrap:wrap}.pool-bar>div{gap:8px}.pool-bar strong{font-size:24px}.pool-bar span{font-size:12px}.pool-bar .text-button{margin-left:0;padding:0}.sharing-grid{grid-template-columns:minmax(0,1fr);gap:18px;margin:24px 0}.panel{padding:22px}.practice{flex-direction:column;padding:24px;gap:20px}.practice-links{width:100%}.input-row{flex-wrap:wrap}.input-row input{flex-basis:100%}.input-row button{width:100%}.footer{gap:10px 20px}.footer>span:last-child{margin-left:0;width:100%}.recent{max-height:280px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Main-site navigation and useful community entrances. */
header{position:sticky;top:0;z-index:40}.header{position:relative;gap:18px}.desktop-nav{gap:14px;align-items:center;font-size:14px;white-space:nowrap}.mobile-nav{display:none}.mobile-nav summary{cursor:pointer;list-style:none;border:1px solid var(--line);border-radius:10px;min-height:44px;display:flex;align-items:center;padding:8px 12px;font-size:14px;color:var(--ink)}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav nav{position:absolute;left:0;right:0;top:100%;display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:16px;background:#0c2034;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:0 12px 30px #0006}.mobile-nav nav a{min-height:44px;display:flex;align-items:center;padding:8px 12px;border-radius:8px;font-size:16px}.mobile-nav nav a:hover{background:#17364f}.intro-community-link{font-size:14px;color:var(--blue);display:inline-block;min-height:40px;padding:5px 0}.verification{font-size:14px;color:var(--blue);line-height:1.65}.claim-unverified{display:block;margin:8px auto 0;text-decoration:underline;text-underline-offset:4px}.community-intro{border:1px solid #355778;border-radius:22px;padding:28px;background:#10233a;margin:34px 0}.community-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:22px}.community-heading h2{margin:8px 0 12px}.community-heading p{max-width:710px;color:var(--muted);margin:0;font-size:16px}.community-heading>.secondary{flex-shrink:0}.community-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.community-cards>a{display:block;padding:22px;border:1px solid #385570;border-radius:15px;background:#0b1c2e;transition:border-color .15s}.community-cards>a:hover,.hot-tool-card:hover{border-color:var(--blue)}.community-cards span{font-size:14px;color:var(--blue)}.community-cards h3,.hot-tool-card h3{font-size:22px;margin:10px 0}.community-cards p,.hot-tool-card p{font-size:16px;color:var(--muted);margin:0 0 16px}.community-cards b,.hot-tool-card b{font-size:14px;color:var(--amber)}.community-bottom{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-top:22px;font-size:14px;color:var(--muted)}.community-bottom a{color:var(--blue);min-height:40px;display:flex;align-items:center}.hot-tools{margin:38px 0}.hot-tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.hot-tool-card{display:block;border:1px solid var(--line);border-radius:17px;background:var(--panel);padding:22px}.tool-category{font-size:13px;color:var(--blue)}.tool-intro{padding:54px 0 30px}.tool-intro h1{margin:16px 0}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.guide-step{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.guide-step>span{font-size:15px;color:var(--amber)}.guide-step h3{font-size:22px;margin:8px 0 14px}.guide-step p{color:var(--muted)}
@media(max-width:1100px){.desktop-nav{display:none}.mobile-nav{display:block;margin-left:auto}.mobile-nav nav a:first-child{display:flex}}
@media(max-width:760px){.first{padding-top:24px;gap:18px}.first h1{font-size:32px;margin:12px 0}.first .lead{margin:10px 0}.first .fact{margin:12px 0}.first .disclaimer{margin:10px 0}.intro-community-link{padding:0;min-height:30px}.claim-card{padding:22px}.code{padding:22px 0 12px}.community-intro{padding:22px;margin:26px 0}.community-heading{align-items:flex-start;flex-direction:column;gap:16px;margin-bottom:18px}.community-cards{grid-template-columns:minmax(0,1fr)}.community-cards>a{padding:20px}.community-bottom{align-items:flex-start;gap:12px;flex-wrap:wrap}.hot-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.hot-tool-card{padding:18px}.hot-tool-card h3{font-size:21px}.hot-tools{margin:28px 0}.guide-grid{grid-template-columns:minmax(0,1fr)}.tool-intro{padding:32px 0 24px}}
@media(max-width:380px){.hot-tool-grid{grid-template-columns:minmax(0,1fr)}}