:root{--ink: #1c2258;--dim: #555c8c;--sheet: #f5f6fd;--card: #ffffff;--line: #d6dbf5;--line-soft: #e6e9f8;--accent: #4553c2;--accent-strong: #333f9e;--accent-soft: #e3e7fa;--peri: #6b79cf;--peri-light: #9fabe8;--red: #c42d44;--red-soft: #fdf2f4;--sans: "Avenir Next", Avenir, "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--field: radial-gradient(70% 55% at 6% 94%, rgba(46, 56, 150, .55), transparent 70%), radial-gradient(60% 50% at 94% 4%, rgba(226, 231, 252, .6), transparent 70%), linear-gradient(155deg, #97a3e5 0%, #7a87d6 38%, #6371c9 70%, #5462bd 100%);--tiles: url(/img/mosaic-a.svg) 0 0 / 432px 432px, url(/img/mosaic-b.svg) 0 0 / 560px 560px;--slant: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);color-scheme:light}*{box-sizing:border-box}html{background:var(--tiles),#6674cc}body{position:relative;display:flow-root;margin:0;min-height:100vh;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased}body:before,body:after{content:"";position:absolute;inset:0;pointer-events:none}body:before{z-index:-2;background:radial-gradient(900px 620px at 100% 0,rgba(226,231,252,.6),transparent 70%),radial-gradient(900px 700px at 0 100%,rgba(46,56,150,.45),transparent 70%),linear-gradient(90deg,#5a68c1,#6c7acd 40%,#8290da 75%,#97a3e5)}body:after{z-index:-1;background:var(--tiles);-webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.95) 0%,rgba(0,0,0,.6) 35%,rgba(0,0,0,.3) 65%,rgba(0,0,0,.8) 100%);mask-image:linear-gradient(90deg,#000000f2,#0009 35%,#0000004d 65%,#000c)}::selection{background:#c9cff5;color:var(--ink)}a{color:inherit}img{max-width:100%;height:auto;display:block}h1{font-size:34px;line-height:1.15;margin:8px 0 12px;color:var(--ink);font-weight:700;letter-spacing:-.015em;text-wrap:balance}h2{font-size:19px;line-height:1.3;margin:0 0 8px;color:var(--ink);font-weight:650}p{margin:0 0 12px}.mono{font-family:var(--mono);font-size:.92em;overflow-wrap:anywhere}.lede{color:var(--dim);max-width:720px;font-size:17px}.quiet{color:var(--dim)}.warn{color:var(--red)}.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0;color:var(--accent);font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.04em}.eyebrow:before{content:"";flex:none;width:28px;height:9px;background:var(--accent);clip-path:polygon(5px 0,100% 0,calc(100% - 5px) 100%,0 100%)}.big{font-size:28px;font-weight:700;color:var(--ink);margin:4px 0 8px}.top{position:sticky;top:0;z-index:5;display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;padding:10px 16px;color:#fff;background:#4551b2db;border-bottom:1px solid rgba(255,255,255,.22);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:21px;font-weight:700;letter-spacing:.01em}.brand img{width:36px;height:36px;border-radius:8px;box-shadow:0 0 0 1px #fff9,0 4px 10px #1b215a4d}.top nav{display:flex;flex-wrap:wrap;gap:4px 18px;flex:1}.top nav a{padding:4px 0;color:#e8ebfb;text-decoration:none;font-weight:500;border-bottom:2px solid transparent}.top nav a:hover{color:#fff}.top nav a.active{color:#fff;font-weight:650;border-bottom-color:#fff}.walletbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.pill{padding:4px 10px;border:1px solid rgba(255,255,255,.6);color:#fff;font-family:var(--mono);font-size:12px}.pill-on{background:#fff;border-color:#fff;color:var(--accent-strong)}.xlink{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid rgba(255,255,255,.6);color:#fff}.xlink:hover{background:#fff;color:var(--ink)}.xlink:focus-visible{outline:2px solid #fff;outline-offset:2px}.btn{--btn-bg: var(--accent);--btn-fg: #fff;position:relative;isolation:isolate;display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:8px 26px;border:0;background:none;color:var(--btn-fg);font:inherit;font-weight:650;cursor:pointer;text-decoration:none}.btn:before{content:"";position:absolute;inset:0;z-index:-1;background:var(--btn-bg);clip-path:var(--slant);transition:background-color .15s ease}.btn:hover:not(:disabled){--btn-bg: var(--accent-strong)}.btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-quiet{--btn-bg: var(--accent-soft);--btn-fg: var(--ink)}.btn-quiet:hover:not(:disabled){--btn-bg: #d2d8f5}.top .btn{--btn-bg: #fff;--btn-fg: var(--ink)}.top .btn:hover:not(:disabled){--btn-bg: var(--accent-soft)}.top .btn:focus-visible{outline-color:#fff}.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}.messages{width:calc(100% - 16px);max-width:1080px;margin:0 auto}.msg{margin:12px 0 0;padding:10px 14px;background:#fff;border-left:4px solid var(--accent);color:var(--ink);box-shadow:0 2px 12px #1c225824}.msg-busy{color:var(--accent-strong)}.msg-error{border-left-color:var(--red);color:var(--red)}.testbuild{margin:0;padding:6px 16px;background:var(--red);color:#fff;font-weight:700;text-align:center}main{position:relative;isolation:isolate;width:calc(100% - 16px);max-width:1080px;margin:20px auto 0;padding:32px 20px 48px}main:before,main:after{content:"";position:absolute;inset:0;clip-path:polygon(0 0,calc(100% - 32px) 0,100% 32px,100% 100%,32px 100%,0 calc(100% - 32px))}main:before{z-index:-1;background:var(--sheet)}main:after{z-index:-2;background:#1e256e38;transform:translate(6px,8px)}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding:4px 0 40px}.hero h1{font-size:50px;line-height:1.06;letter-spacing:-.025em;margin:14px 0 16px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tile{display:block;padding:14px;background:var(--card);border:1px solid var(--line);text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.tile:hover{border-color:var(--peri-light);transform:translateY(-3px);box-shadow:0 14px 30px #28308229}.tile:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.tile img{margin-bottom:14px;border:1px solid var(--line-soft)}.tile p{color:var(--dim);margin:0}.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card{margin:16px 0;padding:18px;background:var(--card);border:1px solid var(--line)}.line{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between;border-top:1px solid var(--line-soft);padding:10px 0}.line:first-of-type{border-top:0}.line p{margin:0}.facts{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0 0 12px}.facts dt{color:var(--dim)}.facts dd{margin:0;overflow-wrap:anywhere}.field{display:flex;flex-direction:column;gap:6px;flex:1 1 240px}.field span{color:var(--dim);font-size:14px}.field input{width:100%;min-height:42px;padding:8px 12px;border:1px solid #c9cff0;background:#f8f9fe;color:var(--ink);font:inherit;font-family:var(--mono);font-size:15px}.field input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}.check{display:flex;gap:10px;align-items:flex-start;margin-top:12px}.check input{margin-top:6px;accent-color:var(--accent)}.list{margin:0 0 12px;padding-left:20px}.list li{margin-bottom:6px}.list li::marker{color:var(--accent)}.fig{margin:16px 0;background:#fff;border:1px solid var(--line)}.fig img,.tile img{width:100%}.fig figcaption{padding:8px 12px;color:var(--dim);border-top:1px solid var(--line-soft);font-size:14px}.prose{max-width:820px}.prose h2{margin-top:36px}.prose h2:before{content:"";display:inline-block;width:20px;height:10px;margin-right:10px;vertical-align:1px;background:var(--peri);clip-path:polygon(4px 0,100% 0,calc(100% - 4px) 100%,0 100%)}.prose a{color:var(--accent-strong);text-underline-offset:3px}.prose .mono{padding:0 4px;background:var(--accent-soft)}.code{margin:0 0 16px;padding:14px 16px;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--ink);border-left:4px solid var(--peri-light);color:#e6e9fb;font-family:var(--mono);font-size:13px;line-height:1.55}.foot{position:relative;isolation:isolate;width:calc(100% - 16px);max-width:1080px;margin:32px auto;padding:20px 22px 24px;color:#e3e7fa;font-size:14px}.foot:before{content:"";position:absolute;inset:0;z-index:-1;background:#1e256cbd;clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,20px 100%,0 calc(100% - 20px))}.foot p{margin:0 0 4px;overflow-wrap:anywhere}.foot a{color:#fff;text-underline-offset:3px}.foot .foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:10px;color:#fff;font-size:17px;font-weight:700}.foot-brand img{width:24px;height:24px}.intro{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:var(--tiles),var(--field);animation:intro-lift .5s ease-in 1.7s forwards;pointer-events:none}.intro-mark{width:180px;height:180px}.intro-mark svg{width:100%;height:100%;overflow:visible}.intro-mark .bar{opacity:0;transform:translate(-40px,40px);animation:intro-bar .6s cubic-bezier(.2,.8,.2,1) forwards}.intro-mark .bar:nth-of-type(2){animation-delay:.1s}.intro-mark .bar:nth-of-type(3){animation-delay:.2s}.intro-mark .bar:nth-of-type(4){animation-delay:.3s}.intro-mark .bar:nth-of-type(5){animation-delay:.4s}.intro-mark .intro-shadow{opacity:0;animation:intro-fade .5s ease-out .7s forwards}.intro-word{margin:0;color:#fff;font-size:30px;font-weight:700;letter-spacing:.02em;opacity:0;animation:intro-fade .6s ease-out .85s forwards}@keyframes intro-bar{to{opacity:1;transform:none}}@keyframes intro-fade{to{opacity:1}}@keyframes intro-lift{to{opacity:0;visibility:hidden}}.boot-wait{display:flex;align-items:center;gap:12px}.boot-dot{flex:none;width:14px;height:14px;background:var(--accent);clip-path:polygon(4px 0,100% 0,calc(100% - 4px) 100%,0 100%);animation:boot-pulse 1s ease-in-out infinite alternate}.boot-slow{visibility:hidden;color:var(--dim);animation:boot-reveal 0s linear 12s forwards}@keyframes boot-pulse{0%{opacity:.25;transform:translate(-3px)}to{opacity:1;transform:translate(3px)}}@keyframes boot-reveal{to{visibility:visible}}@media (prefers-reduced-motion: reduce){.intro{display:none}.tile,.btn:before{transition:none}.tile:hover{transform:none}}@media (min-width: 861px){main{padding:40px 44px 56px}}@media (max-width: 860px){.hero,.grid3,.split{grid-template-columns:1fr}.hero{gap:24px}.hero h1{font-size:36px}}@media (max-width: 700px){.top{gap:8px 12px}.top nav{order:3;flex:1 1 100%;gap:4px 18px}.xlink{margin-left:auto}.top .btn{padding:8px 18px}.hero{padding-bottom:24px}}@media (max-width: 520px){main{padding:26px 16px 40px}h1{font-size:30px}.brand{font-size:19px}}@media (max-width: 400px){.top{gap:8px 10px}.brand{gap:8px;font-size:18px}.brand img{width:32px;height:32px}.top .btn{padding:8px 14px}}.zh{display:block;color:var(--dim);font-size:14px;margin-top:2px}h2 .zh{font-size:14px;font-weight:400}.veil{position:fixed;inset:0;z-index:40;display:flex;align-items:flex-start;justify-content:center;padding:24px 16px;background:#161b489e;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);overflow-y:auto}.dialog{width:100%;max-width:640px;padding:22px;background:#fff;border:1px solid var(--line);border-top:4px solid var(--red);box-shadow:0 24px 60px #14184659}.dialog h2{font-size:21px;margin:14px 0 12px}.dialog-fig{max-height:180px;width:auto;margin:0 auto;border:1px solid var(--line-soft)}.warnlist li{margin-bottom:10px}.warnlist strong,.guard strong{color:var(--ink)}.dialog-actions{margin-top:16px}.guard{background:var(--red-soft);border-color:#f0c9d0;border-left:4px solid var(--red)}